33
5.3
Troubleshooting Chart
Symtom
Possible Cause
AC Breaker Trip Immediately
(High Input Current)
Wrong AC Input Voltage
AC Input Taps on Power Transformer are Incorrectly Set
Incorrect, Damaged or Loose Cable/Harness Connections
DC Output Too High
Defective Component on Heatsink Assembly
DC Breaker Trip Immediately
(High Output Current)
Incorrect, Damaged or Loose Cable/Harness Connections
Incorrect Battery Connected
Shorted Output Cables
Shorted Battery Cells or Customer Equipment
Defective Component on Heatsink Assembly
No Display and No LEDs
No AC Voltage Applied to Charger
Charger AC Breaker is open
Incorrect, Damaged or Loose Cable/Harness Connections
Defective Control/Display Card (S2A-368S)
Failed LED Test
Defective Control/Display Card (S2A-368S)
Defective LEDs
Meter Reading Incorrect
Voltage or Current
Incorrect, Damaged or Loose Cable/Harness Connections
Incorrect Settings on Control Card
Defective Shunt
Defective Control Card (S2A-368)
Unit Running Hot
Inadequate Ventilation
Ambient is Too Hot
Battery Temperature Too
High
Insufficient Cool Down Between Charges
Battery Power Demand Too Great
Battery Needs to be Equalized
Erratic Operation
Defective Control Card (S2A-368)
Incorrect, Damaged or Loose Cable/Harness Connections
Defective Component on Heatsink Assembly
Moisture Inside Cabinet
Lack of Maintenance
High Ambient Temperature
Low Output Voltage
or Current
Float/Equalize Voltage settings are Incorrect
Charger is in Current Limit
Defective Control Card (S2A-368)
Defective Component on Heatsink Assembly
High Output Voltage
or Current
Float/Equalize Voltage settings are Incorrect
Defective Control Card (S2A-368)
Defective Component on Heatsink Assembly
Alarm Relay or LED Indication
See
Section 2.5.2 Understanding the Alarms
for possible causes
5.4
Ordering Replacement Parts
Call your sales representative to place an order for spare parts or replacement parts.
To order replacement
parts; please provide the model and serial number of the battery charger, the part needed and the quantity
required.
Summary of Contents for A75D
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