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975-0529-01-01 19
Troubleshooting
Troubleshooting Reference
WARNING: Electrical shock and burn hazard.
Do not dismantle the PROwatt SW Inverter. It does not
contain any user-serviceable parts. Attempting to service
the unit yourself could result in an electrical shock or burn.
Condition Possible Cause Solution
E.0.1. Under Voltage (low
input) shutdown
Recharge the battery.
Check cables and
connection if secure.
E.0.1.
with persistent low
battery alarm.
Poor DC wiring
and/or poor battery
condition
Use proper cable and
make secure
connections.
Charge the battery or
install a new battery.
E.0.2. Over Voltage (high
input) shutdown
Make sure the
inverter is connected
to a 12 V battery.
E.0.3. Overload shutdown Reduce the load
within the inverter’s
continuous power
rating.
E.0.4.
Heavy load is
connected then AC
output becomes
unavailable.
Over temperature
shutdown
Allow the inverter to
cool off and reduce
the load if
continuous operation
is required.
E.0.4.
Normal load is
connected then AC
output becomes
unavailable.
Over temperature
shutdown
Improve ventilation
and make sure the
inverter’s ventilation
openings are not
obstructed.
Reduce the ambient
temperature, if
possible.
Condition Possible Cause Solution
PROWatt SW Inverter NA.book Page 19 Wednesday, August 5, 2009 2:24 PM