Battery Charger Troubleshooting
976-0043-01-02 9–5
Charger drops off before
full charging has finished
(no ERROR comes on).
AC frequency at the AC
input terminal may be
out-of-tolerance (too high
or low) or the AC voltage
may be outside the 13C
Input Upper Limit VAC
or 13D Input Lower
Limit VAC settings.
Circuit breaker on
inverter is open.
Ambient temperature
may be high causing unit
to overheat and ramp
down the charging.
Check for the correct AC voltage or frequency using
the ICM Display.
If the AC source is a generator, adjust the AC
voltage/frequency accordingly.
Reduce your 13A Grid (AC1) Amps AC or
13B Gen (AC2) Amps AC setting (based on the
input you are using) to limit the pull on the AC
source.
Open the 13C Input Upper Limit VAC or
13D Input Lower Limit VAC settings “window” to
allow synchronization.
Engage circuit breaker on top of unit (press on
breaker button to ensure it is engaged).
Cool the unit down or check the inverter cooling fan,
or check for anything preventing air flow.
Charger drops off before
full charging (or
equalization) has
finished.
ERROR LED flashes and
AC output drops
momentarily.
Cold temperature around
batteries with BTS
installed may be causing
unit to reach 11A High
Battery Cut Out VDC
setting.
Disconnect BTS during charging or increase
11A High Battery Cut Out VDC setting.
Charger drops off before
full charging has finished.
ERROR comes on.
Check 05 Error Causes Menu in the ICM display to
determine where the failure occurred. Then see the
troubleshooting section on page 9–7 for a solution.
Charger output is low. Loose or corroded battery
connections.
Loose AC input
connections.
Worn out batteries.
Battery cables too small
or too long.
Check and clean all connections.
Check all AC wiring connections.
Replace batteries.
Refer to cable and battery recommendations in
owner’s manual.
Problem Possible Cause Solution
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