Troubleshooting
4–2 975-0555-01-01
Troubleshooting Reference
WARNING: Electrical shock and burn hazard
Do not disassemble the inverter. It does not contain any user-serviceable parts.
Attempting to service the inverter yourself could result in an electrical shock or
burn.
Some of the following Solutions should be referred to a qualified electrician or
electrical service person.
Table 4-1
Troubleshooting Reference
#
Error/Warning
Code on Display Problem Possible Cause Solution
1
Fault LED: Off
Buzzer: Beeping
every 2 seconds.
Inverter's Input
Under Voltage
Warning Alarm is
on.
Poor battery condition
Poor DC wiring
Charge the battery.
Install a new battery.
Use proper cable size and
lengths and make solid
connections.
For more information, refer to
“Selecting Cable Sizes” starting
on page 2-6 of the Installation
Guide.
2
Fault LED: Off
Buzzer: Beeping
every 2 seconds.
Internal over
temperature warning
alarm is on.
Ambient temperature is
too high.
Inverter ventilation
openings are obstructed.
Reduce the ambient
temperature.
Improve ventilation.
Make sure the inverter’s
ventilation openings are not
obstructed.
3
Fault LED: On
Buzzer: Beeping
every second.
Inverter is in
undervoltage
shutdown.
Poor battery condition
Poor DC wiring
Charge the battery.
Install a new battery.
Use proper cable size and
lengths and make solid
connections.
For more information, refer to
“Selecting Cable Sizes” starting
on page 2-6 of the Installation
Guide.
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