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20 Xantrex PROwatt™ SW Sine Wave Inverter Owner’s Guide
Troubleshooting
E.1.0.
No output voltage.
Short circuit
Very heavy load
Output circuit
overheat
Check the AC
wiring for a short
circuit.
Remove the load.
Turn the unit off.
Let the unit cool
down, check the fan
for any obstructions
and clear it, or
reduce the load.
Turn the unit back
on.
Condition 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.
The unit is on and
running but there is
no AC output.
The GFCI device
tripped.
Reset the GFCI. See
page 16 for
instructions.
Condition Possible Cause Solution
PROWatt SW Inverter NA.book Page 20 Wednesday, August 5, 2009 2:24 PM