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975-0525-01-01 21
Troubleshooting
E.0.5. Under Voltage alarm Check battery status
and recharge if
necessary.
Check for proper DC
cable sizing.
Check for loose
connections and
tighten if necessary.
E.0.6. AC Out overload
warning
Reduce the loads
connected to the AC
outlet of the unit.
E.0.7. Over temperature
warning
Reduce the loads
connected to the AC
outlet of the unit.
Check that the
ventilation holes are
not blocked.
Check for ambient
temperature and
move the unit to a
cooler location
whenever possible.
Problem Possible Cause Solution
No output voltage;
no voltage
indication.
The unit is off.
No power to the
inverter.
Inverter fuse open.
Reverse DC polarity.
Turn the inverter on.
Check wiring to the
inverter.
Have a qualified
service technician
check and replace
the fuse if necessary.
Have a qualified
service technician
check and replace
the fuse, making
sure to observe
correct polarity.
Problem Possible Cause Solution
PROWatt SW Inverter International.book Page 21 Tuesday, June 30, 2009 9:58 AM