
Troubleshooting
4–2 975-0444-01-01
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
AL1: Flashing
Alarm: Beeping
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
AL2: Flashing
Fault LED: Flashing
Alarm: Beeping
Internal over
temperature warning
alarm is on.
Inverter ventilation
openings are obstructed.
Ambient temperature is
too high.
Load applied is above the
continuous operation
limit.
Improve ventilation.
Make sure the inverter’s
ventilation openings are not
obstructed.
Reduce the ambient
temperature.
Reduce the load if continuous
operation is required.
3
E01: Steady
Fault LED: Solid
Alarm: Beeping
Inverter is in
undervoltage
shutdown.
AL1 warning code is
ignored. (See possible
causes under error # “1”
in this table).
See solution under error # 1 in
this table.
Dur_Inverter_3000_Owners_Guide.book Page 2 Tuesday, June 3, 2008 11:51 AM
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