Instruction / troubleshooting manual for model a70b page 1 of 16 model a70b battery charger ecn/date cpn42675 15349-08 – 8/02 14268 – 10/00 10571 / 12-96 16816 – 6/05 14575 – 2/01 13073 / 5-99 10411 / 9-96 106 bradrock drive des plaines, il. 60018-1967 (847) 299-1188 fax: (847) 299-3061 issue date: ...
Instruction / troubleshooting manual for model a70b page 2 of 16 this manual contains important safety and operating instructions for the la marche power conversion equipment. Before using this equipment, read all instructions and cautionary markings on (1) unit, (2) battery, and (3) product using t...
Instruction / troubleshooting manual for model a70b page 3 of 16 preparing to charge 1. If necessary to remove the battery connections, always remove grounded terminal from the battery first. Make sure all loads are disconnected and unit is off, so as not to cause an arc. 2. Be sure the area around ...
Instruction / troubleshooting manual for model a70b page 4 of 16 receiving instructions and general equipment information caution: to ensure safe installation and operation, the information given in the instruction manual should be read and understood before installing or using the equipment. Receiv...
Instruction / troubleshooting manual for model a70b page 5 of 16 model a70b battery charger the model a70b is a microprocessor controlled industrial battery charger for use on forklift and electric vehicle batteries. It is designed to recharge a battery of the proper amp-hour capacity in eight hours...
Instruction / troubleshooting manual for model a70b page 6 of 16 theory of operation & indicators front panel the front panel consists of a printed wiring board which is connected to a microprocessor board through a keyed 26 pin ribbon cable. The panel has a digital display, select button, equalize ...
Instruction / troubleshooting manual for model a70b page 7 of 16 note: code 100 indicates defective s2a-122a. Printed circuit board or s2a-123 or wrong ac voltage from the control transformer. The model a70b charger accomplishes its charge cycle completely automatically without the use of any moving...
Instruction / troubleshooting manual for model a70b page 8 of 16 in the normal mode, the charger will charge the battery for 3 hours after the 80% point is reached (unless the rate program terminates the charge first) or the battery is disconnected. In the equalize mode, a 6 hour timer is initiated ...
Instruction / troubleshooting manual for model a70b page 9 of 16 installation the lamarche model a70b charger is designed to operate on a specific type of battery with a specified number of cells. The nameplate on the charger indicates the type and number of cells required. When connecting the dc ou...
Instruction / troubleshooting manual for model a70b page 10 of 16 f. Connect the battery to the charger. After a 5 second delay, which assures proper battery connection, the ac contactor should close and the on charge light should turn on. The battery charger should start to charge, showing output a...
Instruction / troubleshooting manual for model a70b page 11 of 16 a70b troubleshooting instructions before troubleshooting unit, check for shipping damage. (i.E. Broken wires, loose connections, etc.) quick-check a70b trouble analysis problem: blown ac input fuse. 1. Check ac input voltage with tap ...
Instruction / troubleshooting manual for model a70b page 12 of 16 problem: control transformer fuses blown ctf2 or ctf3. 1. Defective s2a-122a drive board. 2. Shorted mov. (metal oxide varistor) note: voltage across secondary of control transformer: x1 - x2 = 120vac. X3 - x4 = 11vac. X5 - x6 = 11vac...
Instruction / troubleshooting manual for model a70b page 13 of 16 problem: failure light on code 0004. 1. Check battery for defective or shorted cells. 2. S2a-122a "p.C." board may be defective. 3. 80% setting came on late into the charge cycle, batteries are being discharged beyond specifications. ...
Instruction / troubleshooting manual for model a70b page 14 of 16 general maintenance procedure yearly 1. Blow out rectifier/inverter with a low-pressure air hose. 2. Make sure all connections are tight. 3. Perform a visual check on all internal components. 4. Check front panel meters and alarms for...
Instruction / troubleshooting manual for model a70b page 15 of 16 manufacturer’s warranty all la marche manufacturing co. Equipment has been thoroughly tested and found to be in proper operating condition upon shipment from the factory and is warranted to be free from any defect in workmanship and m...
Instruction / troubleshooting manual for model a70b page 16 of 16.
