18
3.3 Troubleshooting
Chart
Symptom
Possible Cause
Wrong AC Input Voltage
Frequency out of Range
Internal Wiring Failure
Defective Component on Rectifier Assembly
Internal Wiring Failure
Incorrect Battery Connected
Shorted Output Cables
Battery Cable Polarity Reversed
Defective Component on Rectifier Assembly
Internal Wiring Failure
Defective Display Driver Card (S2A-348)
Defective Control Card (S2A-382)
Defective LEDs
Defective Display Driver Card (S2A-348)
Internal Wiring Failure
Defective Shunt
Defective Control Card (S2A-382)
POT Misadjustment
Inadequate Ventilation
Ambient is Too Hot
Ambient is Too Hot
Shorted Battery Cell(s)
Float/Equalize Voltage Set Too High
Float/Equalize Voltage Incorrectly Set
Charger is in Current Limit
Tripped/Defective DC Breaker
Defective Control Card (S2A-382)
Defective Component on Heatsink Assembly
Float/Equalize Voltage Incorrectly Set
Defective Control Card (S2A-382)
Defective Component on Heatsink Assembly
Battery Temperature Too
High
Low Output Voltage
or Current
High Output Voltage
or Current
AC Fuse Open
(High Input Current)
DC Fuse Open
(High Output Current)
No Display and No LEDs
Failed LED Test
Meter Reading Incorrect
Voltage or Current
Unit Running Hot
