Instruction / troubleshooting manual for model a75m page 1 of 13 model a75m mining battery charger digital volt/amp meter and electronic timer ecn/date cpn112410 17268 / 10-06 17589 / 9-07 17076/ 2-06 106 bradrock drive des plaines, il. 60018-1967 (847) 299-1188 fax: (847) 299-3061 issue date: ecn- ...
Instruction / troubleshooting manual for model a75m page 2 of 13 1. Save these instructions. This manual contains important safety and operating instructions. Before using this equipment, read all instructions and cautionary markings on (1) unit, (2) battery, and (3) product using the battery. 2. Ca...
Instruction / troubleshooting manual for model a75m page 3 of 13 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 a75m page 4 of 13 model a75m battery charger the model a75m is a scr controlled industrial battery charger for use on electric vehicle batteries. It is designed to recharge a battery of the proper amp-hour capacity in eight hours. The model a75m feature...
Instruction / troubleshooting manual for model a75m page 5 of 13 theory of operation & indicators front panel the panel has a digital display, meter select/equalize (eq) momentary switch, on/off switch and eight (8) led lamps. The digital display indicates output amps, output voltage, ampere hours r...
Instruction / troubleshooting manual for model a75m page 6 of 13 the model a75m charger accomplishes its charge cycle completely automatically without the use of any moving parts except for the input ac contactor. It is recommended that the connector used for the battery/charger connection have an a...
Instruction / troubleshooting manual for model a75m page 7 of 13 lamp will light and the display will indicate "0004." if this occurs, the unit will not autostart. The on/off switch will have to be turned off to reset the lights and turned back on to initiate the autostart mode. After starting, the ...
Instruction / troubleshooting manual for model a75m page 8 of 13 start-up a. Place the on/off switch to the "on" position. Apply ac voltage to the units input terminals. Four (4) eight's ("8888") will flash on the display. B. To select the equalize charge mode, activate the "equalize" switch on the ...
Instruction / troubleshooting manual for model a75m page 9 of 13 a75m troubleshooting instructions before troubleshooting unit, check for shipping damage. (i.E. Broken wires, loose connections, etc.) quick-check a75m trouble analysis problem: blown ac input fuse. 1. Check ac input voltage with tap s...
Instruction / troubleshooting manual for model a75m page 10 of 13 note: blown printed circuit boards, fuses or loose printed circuit boards fuses could cause an out of phase condition. (blowing ac input fuses) if a blown printed circuit board fuse is found, a wire on the gate lead of the scr/diode m...
Instruction / troubleshooting manual for model a75m page 11 of 13 problem: failure light on code 0003. 1. Check battery for correct number of cells. 2. Check for defective or shorted cells in battery. 3. Open circuit battery voltage must be above 1.6vpc.. Problem: failure light on code 0004. 1. Chec...
Instruction / troubleshooting manual for model a75m page 12 of 13 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 a75m page 13 of 13 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...
