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Samsung AQ07A5(6)ME Service Manual

Manual is about: Room air conditioner

Summary of AQ07A5(6)ME

  • Page 1

    Service manual indoor unit aq12a5(6)mb aq12a5(6)me aq09a5(6)me sh09za5(6) aq07a5(6)me sh07za5(6) aq09a7(8)me sh09za7(8) aq07a7(8)me sh07za7(8) outdoor unit uq12a5(6)mb uq12a5(6)me uq09a5(6)me sh09za5(6)x uq07a5(6)me sh07za5(6)x uq09a7(8)me sh09za7(8)x uq07a7(8)me sh07za7(8)x contents air conditioner...

  • Page 2

    Electronics © samsung electronics co., ltd. Sep. 2000. Printed in korea. Code no. Db81-00181a(2) 00181-cover-1 11/6/00 5:04 pm page 1-2.

  • Page 3: 1. Precautions

    1. Warning: prior to repair, disconnect the power cord from the circuit breaker. 2. Use proper parts: use only exact replace- ment parts. (also, we recommend replacing parts rather than repairing them.) 3. Use the proper tools: use the proper tools and test equipment, and know how to use them. Using...

  • Page 4

    1-2 samsung electronics m e m o 00181-preca-2 11/6/00 5:12 pm page 1-2.

  • Page 5

    Samsung electronics 2-1 2. Product specifications 2-1 table model item type - cooling btu/h(kw) heating btu/h(kw) dehumiditying i/h air volume cooling m3/min heating noise cooling db heating energy efficiency ratio cooling btu/h w heating power v-hz power consumption cooling w heating operating curr...

  • Page 6

    Samsung electronics 3-1 3. Operating instructions and installation 3-1 operating instructions to select the 5 way function with the remote control, press the 5 way button one or more times until the desired mode is selected.. Each time you press the 5 way button each 5 way indicator on the indoor un...

  • Page 7

    Operating instructions and installation 3-2 samsung electronics 1. Auto mode : in this mode, operation mode(cool, heat) is selected automati- cally by the room temperature of initial operation. Æt= -1¡c, -2¡c, 0¡c+1¡c+2¡c Æt is controlled by setting temperature up/down key of remote controller 2. Co...

  • Page 8

    Operating instructions and installation 3-3 samsung electronics 8. Compulsory operation : for operating the air conditioner without the remote controller. *auto : the operating is the same func- tion that auto mode in the remote con- troller. And each time you press the button the 5way func-tion is ...

  • Page 9

    3-4 samsung electronics m e m o 00181_oiain_5 11/6/00 5:10 pm page 3-4.

  • Page 10

    Samsung electronics 4-1 4. Disassembly and reassembly 4-1 indoor unit stop operation of the air conditioner and remove the power cord before repairing the unit. No parts procedure remark 1 front grille 1) stop the air conditioner operation and block the main power. 2) separate tape of front panel up...

  • Page 11

    Disassembly and reassembly samsung electronics no parts procedure remark 2 3 4 5 ass’y tray drain. Electrical parts (main pcb) heat exchanger fan motor and cross fan 1) do “1”above 2) take all the connector of pcb upper side out. (inclusion power cord) 3) separate the outdoor unit connection wire fr...

  • Page 12

    4-3 samsung electronics 4-2 outdoor unit • uq12a5(6)m✳ no parts procedure remark 1 common work 1) loosen the fixing screw and separate the handle-cabi rh. 2) separate the connection wire from the termi- nal block. 3) loosen 6 fixing screws and separate the upper cabinet. 4) loosen the fixing screw o...

  • Page 13

    4-4 samsung electronics disassembly and reassembly no parts procedure remark 2 fan-motor 1) loosen 4 fixing screw of the guard-fan. 2) remove the nut flange (turn to the right to remove, as it is a left hand screw) 3) separate the fan. 4) loosen four fixing screws to separate the motor. 00181_darea_...

  • Page 14

    Disassembly and reassembly 4-5 samsung electronics no parts procedure remark 1 2 common work fan and motor 1) loosen the fixing two screws and separate the cover e-parts. 2) separate the connection wire from the termi- nal block. 3) loosen five fixing screws and separate the cabi upper. 4) loosen tw...

  • Page 15

    4-6 samsung electronics disassembly and reassembly no parts procedure remark 3 4 heat exchanger compressor 2) remove the nut flange (turn to the right to remove, as it is a left hand screw) 3) separate the fan. 4) loosen four fixing screws to separate the motor. 1) do “1”, 2 above. 2) loosen two fix...

  • Page 16

    4-7 samsung electronics • sh07za7(8)x/sh09za7(8)x • uq07a7(8)m✳/uq09a7(8)m✳ no parts procedure remark 1 common work 1) loosen the fixing tow screws and separate the cover terminal 2) loosen the fixing two screws and seperate the cover control 3) separate the connection wire from the termi- nal block...

  • Page 17

    Disassembly and reassembly 4-8 samsung electronics no parts procedure remark 2 3 4 fan and motor heat exchanger compressor 1) do “1”, above. 2) remove the nut flange (turn to the right to remove, as it is a left hand screw) 3) separate the fan. 4) loosen four fixing screws to separate the motor. 5) ...

  • Page 18: 5. Troubleshooting

    Samsung electronics 5-1 1) the input voltage should be rating voltage ±10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked b...

  • Page 19

    Samsung electronics 5-2 5-2 fault diagnosis by symptom 5-2-1 no power (completely dead)-initial diagnosis 1) checklist : (1) is input voltage normal? (2) is ac power linked correctly? (3) is output voltage of dc regulator ic ka7805 (ic02) normal? (4.5vdc-5.5vdc) 2) troubleshooting procedure replace ...

  • Page 20

    Samsung electronics 5-3 5-2-2 when the indoor unit fan does not operate. (initial diagnosis) 1) checklist : (1) is the indoor unit fan motor properly connected with the connector (cn72)? (2) is the ac voltage correct? (3) is hall ic in indoor fan motor properly connected with the connector (cn42)? (...

  • Page 21

    Samsung electronics 5-4 5-2-3 when the outdoor unit does not operate. (initial diagnosis) 1) checklist : (1) is input voltage normal? (2) is the set temperature of the remote control higher than room temperature in cool mode? (3) is the power in connector (cn71) linked correctly? (4) is the outdoor ...

  • Page 22

    Troubleshooting 5-5 samsung electronics 5-2-4 when the up/down louver moter does not operate. (initial diagnosis) 1) checklist : (1) is input voltage normal? (2) is the up/down louver motor properly connected with the connector (cn61)? 2) troubleshooting procedure y y n n y n n y remove power cord a...

  • Page 23

    Samsung electronics 5-6 5-2-6 if operation by remote control unit is impossible. (initial diagnosis) 1) troubleshooting procedure troubleshooting y n y y n y n n n n n n y y y y remove power cord and plug in again approx. 5 seconds is operation lamp blinking? Check as in the procedure “no power part...

  • Page 24

    Samsung electronics 5-7 5-3 pcb inspection 5-3-1 cautions for part replacement 5-3-2 procedure the parts should be replaced in the following procedure. 1. The human body carries much static electricity. Before touching a part for repair, replacement or the similar purpose, be sure to touch a grounde...

  • Page 25

    Samsung electronics 5-8 5-3-3 detailed procedure troubleshooting no. 1 2 3 malfunction pull out the power plug from the ac terminal and confirm the fuse on the pcb assembly turn the power on. Set the turbo mode checking point (symptoms) 1. Is the broken(open)? Voltage check 1. Ac voltage at bd71(~,~...

  • Page 26

    Samsung electronics 5-9 5-4 fault diagnosis of major parts parts temp.Sensor heat ex. Sensor indoor fan motor outdoor fan motor stepping motor (up/down swing motor) diagnosis measure resistance with a tester. Normal abnormal ∞ , o Ω … open or short measure resistance between terminals (cn72) with a ...

  • Page 27

    Samsung electronics 5-10 5-5 set up the model option ❈ if you make the replacement of the assÕy control-in or main pcb , be sure to be set up the model option as follow the steps remote controller operation method as per the step applicable key display status 1st step method) 1 remove the battery of...

  • Page 28

    Samsung electronics 5-11 troubleshooting remote controller operation method as per the step applicable key display status 4th step method) after completion of 3rd step, and if the mode key is pressed once, 1. 1~3 steps are saved inter- nally 2. If the first number at the time is “1”, it is correct a...

  • Page 29

    Troubleshooting 5-12 samsung electronics model aq12a5mb aq12a6mb aq12a5me aq12a6me aq09a5me sh09za5 aq09a6me sh09za6 aq07a5me sh07za5 aq07a6me sh07za6 aq09a7me sh09za7 aq09a8me sh09za8 aq07a7me sh07za7 aq07a8me sh07za8 option code 017725-17021d 007725-17021d 017626-17021d 007626-17021d 016a25-1700d9...

  • Page 30

    Samsung electronics 5-13 m e m o 00181_tshoo_9 11/6/00 5:18 pm page 5-13.

  • Page 31

    Samsung electronics 6-1 6. Exploded views and parts list 6-1 indoor unit 19 16 14 24 9 7 23 3 4 5 6 21 22 8 12 17 18 25 13-4 13-3 13-2 13 13-1 11 10 2 1 15 20-1 20-5 20-4 20 20-6 20-6-1 20-2 20-3 00181_evapl_10 11/6/00 5:08 pm page 6-1.

  • Page 32

    Exploded views and parts list 6-2 samsung electronics q’ty ■ parts list code no no. Description aq12a5(6)mb aq09a5(6)me/sh09za5(6) aq09a7(8)me/sh09za7(8) aq07a5(6)me/sh07za5(6) aq07a7(8)me/sh07za7(8) remark aq12a5(6)me 1 2 3 4 5 6 7 8 9 10 11 12 13 13-1 13-1-1 13-1-2 13-1-3 13-1-4 13-1-5 13-2 13-3 1...

  • Page 33

    Samsung electronics 6-3 6-2 outdoor unit(uq12a5(6)mb(e)) 00181_evapl_10 11/6/00 5:08 pm page 6-3.

  • Page 34

    6-4 samsung electronics db63-00071a db60-30004a db67-50063a db31-10058c db90-00272a db94-50077a db90-00085b db93-00453b db93-00453a 2501-001226 2501-001236 2301-001377 db65-40049e db93-00412a db47-20001g/l db47-20001e db67-60020a db33-00007c db72-50574d db99-00089a 48a135iv1el 48a124jv1el db73-10004...

  • Page 35

    Exploded views and parts list 6-5 samsung electronics outdoor unit 1 2 3 4 12 18-1 8-4 17 17-1 22 20 21 19 18-2 18 10 16 14 11 15 13 5 8-2 8-3 8 8-1 8-5 6 7 9 • uq07a5(6)me • sh07za5(6)x • uq09a5(6)me • sh09za5(6)x 00181_evapl_10 11/6/00 5:08 pm page 6-5.

  • Page 36

    Exploded views and parts list 6-6 samsung electronics no. Code no description specitication ■ parts list hswr, ip2, 5&3, sc-90073t, new a-p/j 370fan 2c, m6, sm20c, ntr as+g/f20%, pi 375, blk amass-020wtva, fan out, 220/240 sc-90073t ass´y 620mm cond ass´y ass´y ass´y 35µf, 370vac 40µf, 370vac 1.0µf,...

  • Page 37

    Samsung electronics 6-7 outdoor unit 14-2 14 14-1 11-3 11-4 11-2 11-1 2 13 6 13-1 4-5 4-4 4-3 4-2 4-1 13-3 13-5 13-4 13-2 4 5 3 7 1 8 12 15 16 10 9 9-1 • sh07za7(8)x/uq07a7(8)me • sh09za7(8)x/uq09a7(8)me 00181_evapl_10 11/6/00 5:08 pm page 6-7.

  • Page 38

    6-8 samsung electronics exploded views and part list no. Code no description q’ty ■ parts list mold db90-00262a db94-00045a db73-10004b 44b102jw1el 44b080jw1el db67-60020a db35-00010e db35-00010f db63-20002a db63-10165d db60-30018a db60-30028a db72-00453a db61-00168a db75-00029a db96-00093a db33-000...

  • Page 39

    Samsung electronics 6-9 6-3 remote control & pcb box ■ parts list no 1 2 3 4 5 6 7 description inlay lcd case top lcd key rubber ass’y pcb remocon case low battery cover q’ty 1 1 1 1 1 1 1 remark 6-3-1 ass’y remocon : db93-00251l 00181_evapl_10 11/6/00 5:08 pm page 6-9.

  • Page 40

    Samsung electronics 6-10 6-4 indoor control unit ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 description holder control ass’y main pcb ass’y terminal block ass’y display pcb connector wire pcb u/d bracket earth holder wire clamp connector wire earth screw screw screw holder clamp in seal panel ...

  • Page 41: 7. Block Diagrams

    7-1 samsung electronics 7. Block diagrams 7-1 refrigerating cycle block diagram ❈note ❈ note - the check valve is applied only to uq12a5(6)me/sh12za5(6)x as below ❈ uq12a5(6)mb use only 00181_bdiag_13 11/6/00 5:02 pm page 7-1.

  • Page 42: 8. Pcb Diagrams

    Samsung electronics 8-1 8. Pcb diagrams 8-1 ass’y main pcb;db93-00267a ■ top pattern 00181_pdiag_13 11/6/00 5:11 pm page 8-1.

  • Page 43

    Pcb diagrams 8-2 samsung electronics ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 description pcb ic-mcu ssr ic volt regulator ic-reset photo-coupler fr0diode r.V.S varistor resonator sw trans filter noise coil coil relay miniature rela...

  • Page 44

    Samsung electronics 8-3 8-2 ass’y main pcb;db93-00267a ■ bottom pattern 00181_pdiag_13 11/6/00 5:11 pm page 8-3.

  • Page 45

    Pcb diagrams 8-4 samsung electronics ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 description tr small signal tr small signal tr digital tr digital ic drive c-chip c-chip c-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip r-chip d...

  • Page 46

    Samsung electronics 8-5 8-3 ass’y main pcb;db93-00267a ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 description pcb-display led-lamp led-lamp module remocon diode switching r-carbon connector wire tact switch c-ceramic c-ceramic jump cover display up specification 64.5x53 so5511 sy5511 pna4612moohb in...

  • Page 47: 9. Wiring Diagrams

    Samsung electronics 9-1 9. Wiring diagrams 9-1 indoor unit 00181_wdiag_15 11/6/00 5:19 pm page 9-1.

  • Page 48

    Samsung electronics 9-2 9-2 outdoor unit diagram-outdoor • uq✳✳a5(6)✳✳ c1 : motor capacitor c2 : comp capacitor db68-01624a diagram-outdoor • uq✳✳a7(8)✳✳ / sh✳✳za7(8)x c1 : motor capacitor c2 : comp capacitor db68-01765a 00181_wdiag_15 11/6/00 5:19 pm page 9-2.

  • Page 49: Update Log Sheet

    Update log sheet application date page part# note(cause & solution) s/bulletin# use this page to keep any special servicing information. (service bulletin, etc.) if only parts number changes, just change parts number directly on parts list. And if you need more information, please see the service bu...

  • Page 50

    10-1 indoor unit samsung electronics 10-1 10. Schematic diagrams.