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Troubleshooting
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Inverter Troubleshooting
If the red ERROR LED illuminates on the control module, see “05 Error
Causes Menu” on page 8–25 to determine the cause of the error condition
then refer to the troubleshooting solutions below to resolve the situation.
Unit will not come on (no
LEDs are on) and the
ICM display is blank or
off.
DC voltage on the
inverter’s DC terminals is
incorrect.
Check the battery voltage, fuses or breakers and DC
cable connections to the inverter.
If the DC voltage on the inverter’s DC terminals is
correct, have unit serviced.
Unit comes on, but goes
off quickly (several
attempts made).
Excessive load on output,
unit is in over-
temperature protection
and needs to cooldown,
incorrect battery voltage.
Look under the 05 Error Causes Menu.
No AC power output.
INVERT LED is on, with
no ERROR LED.
Open AC output breakers
or fuses and bad output
wire connections.
Look at the ICM display under 04F Inverter Volts
AC and check AC voltage on the inverter AC
terminal block.
If there is correct AC voltage on the ICM display but
no AC voltage on the inverter AC terminal block,
check for open circuit breaker on the inverter. If the
circuit breaker is open, press it back in to reset it. If
circuit breaker on the inverter is not open, the
inverter may need to be serviced.
If there is correct AC voltage on the ICM display
and on the inverter AC terminal block, check for
open AC output breakers or fuses and bad output
wire connections.
If AC voltage on the ICM display or inverter AC
terminal block is incorrect, have unit serviced.
No AC power output.
INVERT LED is flashing.
AC load too small for
Search Mode circuit to
detect.
Reduce search watts setting, increase load above
search watts setting, or defeat Search Mode by
selecting ON.
If the AC1 LED is on, check inverter output
connections/voltage.