Low Output Voltage; Ground Fault Alarm; Relay Communications Failure; Module (Can)Communications Failure - Ametek ASCEND Series Operation Manual

Single phase modular charger

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Ascend Single Phase Charger Operation Manual

8.5.3. Low Output Voltage

1. Voltage Adjust Control Improperly Set: Readjust Float and Equalize values.

2. Charger Output in Current Limit. Check module DC OK LED, flashing = current limit, check

current limit setting, reduce output load

3. Battery Output in Current Limit. Increase Battery current limit, Check battery condition.

4. Communications failure with Display at start up, Defective Display Board: Replace with new

board. Move the configuration memory into the new board prior to applying power.

5. Defective Module, Check Module Fault indicator.

1. Ground Fault is on the DC positive or negative: remove fault.

2. View ground fault voltages in Charger Metering on the display; Adjust Ground fault sensitivity in

Setup -> Alarm Setup.

1. Relay Communications Failure alarm: Verify relay S1 Dip switches all closed.

2. Replace Relay PCB

3. Replace Display PCB

1. Verify which module has the communication failure in the Alarms menu, Replace failed module.

1. Output Current Limit Adjusted Incorrectly: Check module DC OK LED, flashing = current limit

Adjust current limit.

2. Defective Control Board: Replace with new board. Move the configuration memory into the new

board prior to applying power.

8.5.8. No Output – Fuses Open or Input Breaker Tripped

1. Open output fuse, replace with new fuse.

2. Defective Control Board: Replace with new board.

3. Shorted Wiring: Locate and replace defective wiring.

4. Station Battery Defective or not in Circuit: Check battery and DC circuit.

95-100167, Rev A

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