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  4. MS SERIES
  5. Operation Manual

Pacific Power Source MS SERIES Operation Manual

Summary of MS SERIES

  • Page 1

    Ms series ac power source operations manual pacific power source.

  • Page 2

    Limited warranty: pacific power source (pps) warrants each unit to be free from defects in material and workmanship. For the period of two (2) years from the date of shipment to the purchaser, pps will either repair or replace, at its sole discretion, any unit returned to its factory in irvine, cali...

  • Page 3

    3060-ms solid-state ac power source/frequency converter installation and operation manual the information contained in this manual is proprietary to pacific power source, inc. This manual may not be copied or reprinted without the expressed written consent of pacific power source, inc.. Pacific powe...

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  • Page 5

    Table of contents section description page pacific power source ©2013 v document # 126050-10 rev e 1.0 general description................................................................................ 1-1 1.1 manual description .........................................................................

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    Table of contents section description page pacific power source ©2013 vi document # 126050-10 rev e 4.0 operation ..................................................................................................... 4-1 4.1 inspection of installation ....................................................

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    Table of contents section description page pacific power source ©2013 vii document # 126050-10 rev e 6.0 service ........................................................................................................... 6-1 6.1 description ..............................................................

  • Page 8

    Table of contents figure description page pacific power source ©2013 viii document # 126050-10 rev e list of illustrations and tables figure 2.1.1 input ratings ................................................................................ 2-1 figure 2.1.3 output ratings .............................

  • Page 9

    Table of contents figure description page pacific power source ©2013 ix document # 126050-10 rev e list of illustrations and tables (continued) figure 6.2.2 block diagram system control circuits ......................... 6-14 figure 6.2.3 block diagram dc power supply ..................................

  • Page 10

    Section 1 general pacific power source ©2013 1-1 document # 126050-10 rev e 1.0 general description 1.1 manual description this manual is written to provide the information required to use the ms-series ac power source effectively. This operations manual describes proper installation, operation and ...

  • Page 11: Warning

    Section 1 general pacific power source ©2013 1-2 document # 126050-10 rev e warning this equipment contains high energy, low impedance circuits!! Lethal potentials are contained within the cabinet. Care must be exercised when servicing this equipment in order to prevent serious operator injury or eq...

  • Page 12: Warning

    Section 1 general pacific power source ©2013 1-3 document # 126050-10 rev e 1.4 general product description the intended use of the pacific power source ms-series equipment is basic frequency or voltage conversion with manually adjustable settings. With the optional external programmable controller ...

  • Page 13

    Section 1 general pacific power source ©2013 1-4 document # 126050-10 rev e 1.5 definitions common terms and component names, as used throughout this ms-series manual are defined below: power source all components functioning together which convert input ac power to isolated, conditioned, variable f...

  • Page 14

    Section 1 general pacific power source ©2013 1-5 document # 126050-10 rev e 1.6 detailed description this paragraph provides a detailed description of each major sub-assembly, its purpose, and its general operation. 1.6.1 3060-ms cabinet the cabinet consists of a rectifier, three-phase inverter, pro...

  • Page 15

    Section 1 general pacific power source ©2013 1-6 document # 126050-10 rev e 1.6.3 inverter module the inverter module is a solid-state device that converts power from the rectifier circuit to provide the rated ac system output within specified limits. The output frequency of the inverter is controll...

  • Page 16

    Section 2 specifications pacific power source ©2013 2-1 document # 126050-10 rev e 2.0 specifications electrical and mechanical specifications of the ms series ac power source are listed in the following tables. 2.1 electrical specifications 2.1.1 input power ms-series equipment is intended for use ...

  • Page 17

    Section 2 specifications pacific power source ©2013 2-2 document # 126050-10 rev e 2.1.2 output power power: 50 kw volt-amps: 62.5 kva voltage: 120/208 3 Φ wye. May be loaded wye or delta. 0-132 vac l-n adjustment range, with nominal input, adjustable by front panel controls other voltages available...

  • Page 18

    Section 2 specifications pacific power source ©2013 2-3 document # 126050-10 rev e 2.2 mechanical specifications weight: 1550 lbs (705 kg) height: 72" (183cm) width: 36" (91.5cm) depth: 30" (76.2cm) installation clearance: 36" (91.5cm) at front of cabinet for service, 12" (30.5cm) at top for airflow...

  • Page 19

    Section 2 specifications pacific power source ©2013 2-4 document # 126050-10 rev e figure 2.2 outline drawing.

  • Page 20: Warning

    Section 3 installation pacific power source ©2013 3-1 document # 126050-10 rev e 3.0 installation warning the proper installation of an ms-series ac power source requires a thorough understanding of the information presented in this section of the manual. If this equipment is not installed and used ...

  • Page 21

    Section 3 installation pacific power source ©2013 3-2 document # 126050-10 rev e after a particular model has been selected, location of the power source, input and output wiring and environmental conditions must be considered. Table 3.1, environmental survey checklist, is provided to verify environ...

  • Page 22

    Section 3 installation pacific power source ©2013 3-3 document # 126050-10 rev e check at right when confirmed 1. Ambient temperature between 0-40 degrees centigrade. 2. Cooling and air exchange rates in the room adequate to support the heat load. 3. A minimum of 12" above the cabinet for exhaust. 4...

  • Page 23: Caution

    Section 3 installation pacific power source ©2013 3-4 document # 126050-10 rev e 3.2 moving, uncrating, and inspection unless specified otherwise, all pacific ms-series cabinets will be shipped in one wooden crate, with a crated weight between 1,700-1,800 lbs depending upon the model and options sel...

  • Page 24

    Section 3 installation pacific power source ©2013 3-5 document # 126050-10 rev e figure 3.2 crating and moving outline drawing.

  • Page 25: Warning

    Section 3 installation pacific power source ©2013 3-6 document # 126050-10 rev e 3.3 changing input voltage configure the system for the correct input voltage prior to installing. All voltages listed in this procedure are line to line. When changing the input voltage, the input circuit breaker and f...

  • Page 26

    Section 3 installation pacific power source ©2013 3-7 document # 126050-10 rev e changing input voltage 1: verify no input power is connected. Open input circuit breaker. 2: remove front covers and sub-panels. Remove rear panel. 3: remove input circuit breaker cb1. Install new cb1 with correct amper...

  • Page 27

    Section 3 installation pacific power source ©2013 3-8 document # 126050-10 rev e figure 3.3.1 480 v input configuration 716016 80a.

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    Section 3 installation pacific power source ©2013 3-9 document # 126050-10 rev e figure 3.3.2 380 v input configuration 716049 100a 716084 [ce].

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    Section 3 installation pacific power source ©2013 3-10 document # 126050-10 rev e figure 3.3.3 240 v input configuration 716048 175a.

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    Section 3 installation pacific power source ©2013 3-11 document # 126050-10 rev e figure 3.3.4 208 v input configuration 716048 175a.

  • Page 31: Note

    Section 3 installation pacific power source ©2013 3-12 document # 126050-10 rev e 3.4 setting the cabinet into place depending on the site, it may be advisable to rough-in the input and output wiring prior to moving the cabinet into place. This is best evaluated by the installation team and they sho...

  • Page 32

    Section 3 installation pacific power source ©2013 3-13 document # 126050-10 rev e each mainframe in an ms series system will draw the following load currents: model number 3060-ms input voltage form 100% load recommended input svc. Minimum input wire size@75°c (167°f) (copper conductor) awg mm 2 480...

  • Page 33

    Section 3 installation pacific power source ©2013 3-14 document # 126050-10 rev e figure 3.6.1 customer input wiring detail customer input wiring phase a,b,c (input is not phase rotation sensitive).

  • Page 34: Warning

    Section 3 installation pacific power source ©2013 3-15 document # 126050-10 rev e 3.7 connecting the output service when connecting the output service, certain requirements relating to safety are stated in the following procedure and should be followed rigorously. The standard output form of the ms-...

  • Page 35: Note

    Section 3 installation pacific power source ©2013 3-16 document # 126050-10 rev e note it is the user's responsibility to meet all applicable local and national code requirements when installing this equipment. Figure 3.7 output terminal detail.

  • Page 36

    Section 3 installation pacific power source ©2013 3-17 document # 126050-10 rev e figure 3.7.1 output contactor (customer load wiring detail) figure 3.7.2 optional output circuit breaker (customer load wiring detail) phase a phase b phase c output safety ground / earth system neutral connection outp...

  • Page 37: Caution

    Section 3 installation pacific power source ©2013 3-18 document # 126050-10 rev e 3.8 multiple cabinet system when connecting the two or more cabinets in parallel to make a multiple cabinet system, follow the procedure as described below. Install each cabinet as a single cabinet power source with ea...

  • Page 38

    Section 3 installation pacific power source ©2013 3-19 document # 126050-10 rev e figure 3 .8 .1 m ult ip le ca binet s y s tem o utl ine.

  • Page 39

    Section 3 installation pacific power source ©2013 3-20 document # 126050-10 rev e figure 3.8.2 multiple cabinet system wiring.

  • Page 40

    Section 3 installation pacific power source ©2013 3-21 document # 126050-10 rev e 3.9 electrical survey checklist this paragraph provides a comprehensive checklist to be performed prior to first time power-up of the ms-series power source. All work must be performed in accordance with applicable loc...

  • Page 41

    Section 4 operation pacific power source ©2013 4-1 document # 126050-10 rev e 4.0 operation 4.1 inspection of installation inspection of the installation is a very important step prior to operation of the ms- series ac power source. This is done as a safety measure to prevent injury to personnel or ...

  • Page 42

    Section 4 operation pacific power source ©2013 4-2 document # 126050-10 rev e table 4.2 installation record 1.0 cabinet and site information (paragraph 4.1, 4.2) model number serial number purchase order# work order# modification numbers customer name technical contact name title phone number ext. S...

  • Page 43

    Section 4 operation pacific power source ©2013 4-3 document # 126050-10 rev e table 4.2 installation record (cont.) 2.0 technical record (paragraph 4.1) parameter phase a phase b phase c input voltage (l-l) input current output voltage output current output kva percent load output frequency switch p...

  • Page 44

    Section 4 operation pacific power source ©2013 4-4 document # 126050-10 rev e 4.3 description of controls and indicators the controls and indicators for the ms-series equipment are located on the front panel of the power source cabinet. As shown in figure 4.3 the front panel is divided into 3 basic ...

  • Page 45

    Section 4 operation pacific power source ©2013 4-5 document # 126050-10 rev e 4.3.1 lcd and interrogation switches this paragraph provides a detailed description of each power source message, how it is obtained, and its meaning. A four line, 160 character display provides the communication interface...

  • Page 46

    Section 4 operation pacific power source ©2013 4-6 document # 126050-10 rev e 4.3.1.1 input key the input key is used to display the current status of all power source input power parameters. It may be pressed any time while power is applied to the unit. I1 displayed when the input key is pressed. N...

  • Page 47

    Section 4 operation pacific power source ©2013 4-7 document # 126050-10 rev e o2 displayed when the output then f2 keys are pressed, showing output usage for that cabinet. V output volts, phase to neutral / phase to phase %i-peak percent of maximum peak amps for each phase. %kva percent of maximum k...

  • Page 48

    Section 4 operation pacific power source ©2013 4-8 document # 126050-10 rev e 4.3.1.3 status key the status key is used to display the operating status of the power source. This key may be pressed at any time power is applied to the cabinet. Based on internal sense circuits one of the following mess...

  • Page 49

    Section 4 operation pacific power source ©2013 4-9 document # 126050-10 rev e s6 displayed when the power source is in an emergency off state caused by an overtemp condition. The emer off lamp shall be lit. S6: cab is emer off-warning-overtemp v xxx/xxx xxx/xxx xxx/xxx a xxx xxx xxx freq=xxx.X %load...

  • Page 50

    Section 4 operation pacific power source ©2013 4-10 document # 126050-10 rev e 4.3.1.4 diagnostic key the diagnostic (diag) key is dual purpose. First, by saving the cause of the emergency off state, an audit trail is provided for trouble shooting purposes. Second, technical operating parameters are...

  • Page 51

    Section 4 operation pacific power source ©2013 4-11 document # 126050-10 rev e d4: port # 2 port # 3 port # 4 port # 5 pwr xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx emer xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx now xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx this display shows the status of all of the 32 digital input...

  • Page 52

    Section 4 operation pacific power source ©2013 4-12 document # 126050-10 rev e h2 displayed when the cabinet is in an emergency off state, instructs the user to press the diag then f1 keys to determine the cause of the fault. Instructs the user to press the start/reset to clear the fault. Instructs ...

  • Page 53

    Section 4 operation pacific power source ©2013 4-13 document # 126050-10 rev e h6 displayed when the cabinet is in the alarm state. Instructs the user to press the status button to determine the cause of the alarm. Instructs the user to press the alarm button to silence the audible alarm. H6: system...

  • Page 54

    Section 4 operation pacific power source ©2013 4-14 document # 126050-10 rev e 4.3.1.7 special key combinations input/ status/ help: pressed simultaneously shall cause a software reset of the display cpu. Output/ diag/ alarm: pressed simultaneously shall clear the ram. 4.3.2 mode select, emergency o...

  • Page 55

    Section 4 operation pacific power source ©2013 4-15 document # 126050-10 rev e figure 4.3.2 mode select, emer off, and start/reset 4.3.2.2 emergency off and start/reset switches during normal operation of the power source, return to the off state is accomplished through the use of the mode select sw...

  • Page 56

    Section 4 operation pacific power source ©2013 4-16 document # 126050-10 rev e 4.3.3 frequency select switch and volts adjust these switches also control the operation of the power source. The operator must be fully familiar with these switches and their function prior to operating the power source....

  • Page 57: Caution

    Section 4 operation pacific power source ©2013 4-17 document # 126050-10 rev e 4.4 operating procedures this paragraph describes power source modes of operation and the various operating procedures to be used in operating the ms-series power source. Caution - before applying power of any kind to the...

  • Page 58

    Section 4 operation pacific power source ©2013 4-18 document # 126050-10 rev e 4.4.1 modes of operation there are six possible modes of operation: 1. Off state 2. Stand by state 3. On state 4. Emergency off state 5. Slave state 6. Auto re-start these states are achieved as described below: off state...

  • Page 59

    Section 4 operation pacific power source ©2013 4-19 document # 126050-10 rev e on is when the output contactor is closed and the machine is ready to deliver power to a load. The on lamp is on. Observe the following sequence to achieve on: a) the standby lamp is on. B) the mode select switch is rotat...

  • Page 60: Warning

    Section 4 operation pacific power source ©2013 4-20 document # 126050-10 rev e slave state slave causes the machine to act as a slave in a multi cabinet system. The machine is a slave if the frequency select switch is rotated to slave, and a master if in any other position. The slave lamp and either...

  • Page 61

    Section 4 operation pacific power source ©2013 4-21 document # 126050-10 rev e 4.4.2 first time operation this procedure is to be used to turn on a one cabinet power source for the first time, or when service has been performed. Proceed as follows: first time operation step 1: verify the auto re-sta...

  • Page 62

    Section 4 operation pacific power source ©2013 4-22 document # 126050-10 rev e 4.4.3 parallel cabinet operation this procedure is to be used to turn on the paralleled cabinet system for the first time, or when service has been performed on a cabinet. Proceed as follows: parallel cabinet operation st...

  • Page 63

    Section 4 operation pacific power source ©2013 4-23 document # 126050-10 rev e 4.4.4 normal shutdown procedure this procedure describes how to place the power source into the normal off state. One of two conditions may be desired when turning off the power source: 1. Secure power from the power sour...

  • Page 64: Caution

    Section 4 operation pacific power source ©2013 4-24 document # 126050-10 rev e 4.5 setup switches this paragraph describes the pc mounted dip switches contained within the ms- series ac power source, their purpose and location. Every effort has been made to simplify the power source design and its m...

  • Page 65

    Section 4 operation pacific power source ©2013 4-25 document # 126050-10 rev e figure 4.5 cabinet assembly.

  • Page 66

    Section 4 operation pacific power source ©2013 4-26 document # 126050-10 rev e 4.5.1 display pcb (126072 or 126172) refer to figure 4.5.1, display pcb. Two switches are located on this assembly. Switch s42 is for testing and future use. Switch s41 provides the following configuration information to ...

  • Page 67

    Section 4 operation pacific power source ©2013 4-27 document # 126050-10 rev e figure 4.5.1a display pcb assy., 126072 figure 4.5.1b display pcb assy., 126172.

  • Page 68

    Section 4 operation pacific power source ©2013 4-28 document # 126050-10 rev e 4.5.2 control pcb (126070 or 126079) refer to figure 4.5.2, control pcb. One switch is located on this assembly. Switch s14 provides for enabling of the auto restart option and local or remote agc (automatic gain control....

  • Page 69: Warning

    Section 4 operation pacific power source ©2013 4-29 document # 126050-10 rev e warning if auto re-start is enabled, the output terminals of power source may be enegrized automatically when input power is applied figure 4.5.2 control pcb assy., 126070 and 126079.

  • Page 70

    Section 4 operation pacific power source ©2013 4-30 document # 126050-10 rev e 4.6 feature connectors this paragraph describes the feature connectors contained within the ms- series ac power source, their purpose, location, and pin numbers. The use of these connectors is optional. Refer to figure 4....

  • Page 71

    Section 4 operation pacific power source ©2013 4-31 document # 126050-10 rev e figure 4.6 cabinet top view - feature connector detail.

  • Page 72

    Section 4 operation pacific power source ©2013 4-32 document # 126050-10 rev e 4.6.2 j3 and j4 serial i/o this paragraph describes the serial ports available on the ms-series power source. The ms series power source is provided with dual serial communication ports designated com a and com b. These o...

  • Page 73

    Section 4 operation pacific power source ©2013 4-33 document # 126050-10 rev e port pin mnemonic description com a 2 rxda receive data port a 3 txda transmit data port a 4 ctsa clear to send port a 20 dcda data carrier detect port a 8 dsra data set ready port a 5 rtsa request to send port a 7 grd gr...

  • Page 74

    Section 4 operation pacific power source ©2013 4-34 document # 126050-10 rev e serial port command set command command type information type i1 input screen #1 vln, vll, amps, kw, kva, frequency, input normal or abnormal. O1 output screen #1 cabinet vln, vll, amps, kw, kva, frequency, efficiency. O2...

  • Page 75

    Section 4 operation pacific power source ©2013 4-35 document # 126050-10 rev e 4.6.3 j6 external oscillator this is an external oscillator input. This connector is a da15s type. If the frequency select switch is rotated to the ext position and the cabinet is on, inputs applied to j6 are amplified 25...

  • Page 76

    Section 4 operation pacific power source ©2013 4-36 document # 126050-10 rev e 4.6.5 j8 remote metering inputs j8 is a remote metering input signal connector. Remote volts are divided down by 100 to 1 and sent to this connector. Remote amps are divided down by 400 to 1 and sent to this connector. Th...

  • Page 77

    Section 5 service pacific power source ©2013 5-1 document # 126050-10 rev e 5.0 maintenance the ms-series equipment has been designed so that maintenance is kept to an absolute minimum. This section describes the maintenance requirements of this equipment. Paragraph 5.1 describes the maintenance req...

  • Page 78

    Section 5 service pacific power source ©2013 5-2 document # 126050-10 rev e figure 5.1.1 rear of ms-series cabinet – back panel removed figure 5.1.2 underside of ms-series inverters.

  • Page 79

    Section 5 service pacific power source ©2013 5-3 document # 126050-10 rev e the following procedure is recommended to be performed at 4 to 6 week intervals. Step 1: clean the flame baffle underneath the bottom of the ms using a vacuum cleaner with a brush attachment table 5.1.2 4-6 week maintenance ...

  • Page 80

    Section 5 service pacific power source ©2013 5-4 document # 126050-10 rev e ms-series maintenance log equipment model no. Equipment serial no. Date: technician: 1. Cabinet data i1: input v / / / normal a kw freq= kva o1: cabinet v / / / output a eff % kw freq kva o2: cabinet v / / / output %i-peak %...

  • Page 81

    Section 5 service pacific power source ©2013 5-5 document # 126050-10 rev e ms-series maintenance log (cont) 2. Status information s : cab 3. Diagnostic information d1: diagnostic d2: diagnostic temperature data xfmr: deg c inv: deg c d3: diagnostic internal voltages bus lvps + vdc + vdc - vdc - vdc...

  • Page 82

    Section 6 service pacific power source ©2013 6-1 document # 126050-10 rev e 6.0 service ms-series equipment has been designed using a subassembly concept. This design feature allows for service by replacing a faulty assembly. The service procedures described in this section will isolate a problem to...

  • Page 83

    Section 6 service pacific power source ©2013 6-2 document # 126050-10 rev e 1. Mainframe assembly (p/n 126000) the 3060-ms unit. The mainframe assembly contains the main cabinet components, input transformer and input and output power contactors. 2. Power supply panel assembly (p/n 126100) a ±200 vd...

  • Page 84

    Section 6 service pacific power source ©2013 6-3 document # 126050-10 rev e figure 6 .1 .1 m ainf ra m e.

  • Page 85

    Section 6 service pacific power source ©2013 6-4 document # 126050-10 rev e 6.1.2 control module description the function of the various assemblies and components of the control module is described below. The numbers listed are to be used when ordering spare assemblies and components. Refer to figur...

  • Page 86

    Section 6 service pacific power source ©2013 6-5 document # 126050-10 rev e figure 6.1.2 control module.

  • Page 87

    Section 6 service pacific power source ©2013 6-6 document # 126050-10 rev e 6.1.3 inverter description the function of the various assemblies and components of the inverter module is described below. The part numbers listed are to be used when ordering spare assemblies and components. Refer to figur...

  • Page 88

    Section 6 service pacific power source ©2013 6-7 document # 126050-10 rev e figure 6.1.3 inverter (side view with covers removed).

  • Page 89

    Section 6 service pacific power source ©2013 6-8 document # 126050-10 rev e 6.2 theory of operation the basic theory of operation for the ms-series power source is defined in the information which follows and is provided as technical reference to aid any troubleshooting of the equipment. The ms-seri...

  • Page 90

    Section 6 service pacific power source ©2013 6-9 document # 126050-10 rev e control term definitions iac input ac normal. Input volts line to neutral input voltage. Input line fault true when input voltage is less than 80 % of nominal or greater than 120 % of nominal or 3 phase present is false. Inp...

  • Page 91

    Section 6 service pacific power source ©2013 6-10 document # 126050-10 rev e control term definitions over frequency of condition exists if output frequency is greater than preset limit. Limit is set by the alarm key. Over voltage ov condition exists if output voltage is greater than preset limit. L...

  • Page 92

    Section 6 service pacific power source ©2013 6-11 document # 126050-10 rev e control term definitions under voltage uv condition exists if output voltage is less than preset limit. Limit is set by the alarm key. Vdc > 160 term goes true when both buses are greater than 180 vdc. Term goes false when ...

  • Page 93

    Section 6 service pacific power source ©2013 6-12 document # 126050-10 rev e figure 6.2.1 block diagram power conversion circuits.

  • Page 94

    Section 6 service pacific power source ©2013 6-13 document # 126050-10 rev e 6.2.2 theory of operation - control circuits the control pcb is mounted to the rear of the keyboard sub-panel and performs the central system control of an ms-series mainframe. This pcb monitors key system parameters and ei...

  • Page 95

    Section 6 service pacific power source ©2013 6-14 document # 126050-10 rev e figure 6.2.2 block diagram system control circuits.

  • Page 96

    Section 6 service pacific power source ©2013 6-15 document # 126050-10 rev e 6.2.3 theory of operation - dc power supply the low voltage power supply transformer, t2, generates 3 phase 16/28 vac for the low voltage dc power supplies and 3 phase 115 vac for fans and contactor coils. The lvps pcb gene...

  • Page 97

    Section 6 service pacific power source ©2013 6-16 document # 126050-10 rev e figure 6.2.3 block diagram dc power supply.

  • Page 98

    Section 6 service pacific power source ©2013 6-17 document # 126050-10 rev e 6.2.4 theory of operation - display circuits the display pcb is mounted to the rear of the keyboard sub-panel. The metering circuits are contained on the display pcb assembly. A cpu is used to meter and display system infor...

  • Page 99

    Section 6 service pacific power source ©2013 6-18 document # 126050-10 rev e 6.2.5 theory of operation - paralleling circuits the paralleling circuits are located on the control pcb. The control pcb is mounted to the rear of the keyboard sub-panel. The master cabinet's control pcb assembly is centra...

  • Page 100

    Section 6 service pacific power source ©2013 6-19 document # 126050-10 rev e figure 6.2.5 block diagram paralleling circuits.

  • Page 101: Caution

    Section 6 service pacific power source ©2013 6-20 document # 126050-10 rev e 6.3 troubleshooting procedure caution - the service procedures outlined in this manual are intended for use only by personnel authorized by the manufacturer. This paragraph outlines a detailed troubleshooting procedure for ...

  • Page 102

    Section 6 service pacific power source ©2013 6-21 document # 126050-10 rev e 6.3.1 performance check the purpose of this paragraph is to provide a quick, yet thorough procedure that allows the user to verify that the power source is operating properly. Always start with the performance check flow ch...

  • Page 103

    Section 6 service pacific power source ©2013 6-22 document # 126050-10 rev e figure 6.3.1 performance check flow chart.

  • Page 104

    Section 6 service pacific power source ©2013 6-23 document # 126050-10 rev e 6.3.2 lvps service procedure the procedure contained in this paragraph is used to locate a problem within the low voltage power supply of the ms power source. Directions will locate a fault to the assembly level or componen...

  • Page 105

    Section 6 service pacific power source ©2013 6-24 document # 126050-10 rev e 6.3.3 display service procedure the troubleshooting procedure contained in this paragraph is to be used to locate a problem within the display circuits of the ms power source. Directions are given which locate a fault to th...

  • Page 106

    Section 6 service pacific power source ©2013 6-25 document # 126050-10 rev e figure 6.3.3 display flow chart.

  • Page 107

    Section 6 service pacific power source ©2013 6-26 document # 126050-10 rev e 6.3.4 emer off service procedure in the case of an emer off condition, follow these directions to locate a fault to the pcb level or component level as appropriate. Do not use this procedure unless instructed to do so by th...

  • Page 108

    Section 6 service pacific power source ©2013 6-27 document # 126050-10 rev e figure 6.3.4 emer off flow chart.

  • Page 109

    Section 6 service pacific power source ©2013 6-28 document # 126050-10 rev e 6.3.5 no-inverter-volts service procedure the troubleshooting procedure contained in this paragraph is to be used to locate a problem within the inverter circuits of the ms power source. Directions are given which locate a ...

  • Page 110

    Section 6 service pacific power source ©2013 6-29 document # 126050-10 rev e figure 6.3.5 no-inverter-voltage flow chart.

  • Page 111

    Section 6 service pacific power source ©2013 6-30 document # 126050-10 rev e 6.3.6 abnormal voltage service procedure this troubleshooting procedure should be used to locate a problem within the inverter circuits of the ms power source. Directions are given which locate a fault to the pcb level or c...

  • Page 112

    Section 6 service pacific power source ©2013 6-31 document # 126050-10 rev e figure 6.3.6 abnormal volts flow chart.

  • Page 113

    Section 6 service pacific power source ©2013 6-32 document # 126050-10 rev e 6.4 schematic diagrams this section contains schematic diagrams for the lvps, input power, dc power supply and inverter assemblies. Figure 6.4.1 lvps schematic.

  • Page 114

    Section 6 service pacific power source ©2013 6-33 document # 126050-10 rev e figure 6.4.2 input power schematic.

  • Page 115

    Section 6 service pacific power source ©2013 6-34 document # 126050-10 rev e figure 6.4.3 dc power supply schematic.

  • Page 116: Caution

    Section 6 service pacific power source ©2013 6-35 document # 126050-10 rev e 6.5 assembly replacement procedures this paragraph describes the various procedures to be used to replace assemblies contained in the ms-series mainframe. Caution - the service procedures outlined in this manual are intende...

  • Page 117: Caution

    Section 6 service pacific power source ©2013 6-36 document # 126050-10 rev e 6.5.1 inverter assembly replacement this procedure is to be used to replace an ms-series inverter assembly. Input power must be removed before attempting this procedure. Inverter assembly replacement step 1: remove input po...

  • Page 118

    Section 6 service pacific power source ©2013 6-37 document # 126050-10 rev e 6.5.2 control pcb assembly replacement this procedure is to be used to replace an ms-series control pcb assembly. Input power must be removed before attempting this procedure. Control pcb assembly replacement step 1: remove...

  • Page 119

    Section 6 service pacific power source ©2013 6-38 document # 126050-10 rev e 6.5.3 modulator pcb assembly replacement this procedure is to be used to replace an ms-series modulator pcb assembly. Input power must be removed before attempting this procedure. Modulator pcb assembly replacement step 1: ...

  • Page 120

    Section 6 service pacific power source ©2013 6-39 document # 126050-10 rev e display pcb assembly replacement install display pcb assembly. Install nine nuts holding the display pcb. Install all cables to the display pcb. Step 7: fold up the keyboard sub panel. Replace five screws from the top of th...

  • Page 121

    Section 6 service pacific power source ©2013 6-40 document # 126050-10 rev e 6.5.6 discharge pcb assembly replacement this procedure is to be used to replace an ms-series discharge pcb assembly. Input power must be removed before attempting this procedure. Discharge pcb assembly replacement step 1: ...

  • Page 122: Warning

    Section 6 service pacific power source ©2013 6-41 document # 126050-10 rev e 6.5.7 driver pcb assembly replacement this procedure is to be used to replace an ms-series driver pcb assembly. Input power must be removed before attempting this procedure. Driver pcb assembly replacement step 1: remove th...

  • Page 123: Caution

    Section 6 service pacific power source ©2013 6-42 document # 126050-10 rev e 6.5.8 snubber pcb assembly replacement this procedure is to be used to replace an ms-series snubber pcb assembly. Input power must be removed before attempting this procedure. Snubber pcb assembly replacement step 1: remove...

  • Page 124: Warning

    Section 6 service pacific power source ©2013 6-43 document # 126050-10 rev e 6.6.1 input power panel component replacement this procedure is used to replace components located on the input power panel. Input power must be removed before attempting this procedure. Input power panel component replacem...

  • Page 125

    Section 6 service pacific power source ©2013 6-44 document # 126050-10 rev e 6.6.2 dc power supply component replacement this procedure is used to replace components located on the power supply panel. Input power must be removed before attempting this procedure. Dc power supply component replacement...

  • Page 126: Warning

    Section 6 service pacific power source ©2013 6-45 document # 126050-10 rev e 6.6.3 inverter component replacement this procedure is used to replace components located on the inverter assembly. Input power must be removed before attempting this procedure. Inverter component replacement step 1: remove...

  • Page 127

    Section 6 service pacific power source ©2013 6-46 document # 126050-10 rev e 6.7 returning assemblies for repair equipment requiring service or repair must be returned to the factory in irvine, california or to a pacific power source, inc. Authorized service center. Freight must be prepaid by the sh...

  • Page 128

    Appendix a pacific power source ©2013 - 1 - document # 126050-10 rev e figure a.1 3060-ms mainframe maintenance/serviceable parts item description qty p/n ckt. Symbol 1 keyboard 1 126017 2 manual 2 126050 3 db25p ribbon cable 1 126080 4 db25s ribbon cable 2 126081 5 da15s ribbon cable 5 126082 6 50 ...

  • Page 129

    Appendix a pacific power source ©2013 - 2 - document # 126050-10 rev e figure a.1 3060-ms mainframe maintenance/serviceable parts (cont) item description qty p/n ckt. Symbol 35 fuse holder, modular stud type 18 712040 36 fuse 300a @ 500vdc 2 712042 f10-11 37 cap., 12000uf, 250v alum. Electrolytic 10...

  • Page 130

    Appendix b system schematic pacific power source ©2013 b-1 document # 126050-10 rev e figure b.1 3060-ms system schematic.