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73
Troubleshooting
F57
FET1 Over Temperature
Automatic
Ambient temperature may
be too high.
Ensure adequate ventilation around the
Freedom SW.
Allow inverter to cool down and try
restarting.
Operating too large of a
load for too long while
inverting.
Remove excessive inverter loads.
Inverter cooling fan may
have failed.
If the temperature is above 104 °F (40 °C),
the fan should be on. Hold your hand or a
piece of paper to the inverter vent to check
if the fan is working.
Both fans should be active at the same
time.
Inverter airflow intake may
be blocked.
Increase the clearance around the inverter
and/or unclog the airflow intake vents.
F58
FET2 Over Temperature
Automatic
Same as
F57
.
Same as
F57
.
F63
Power Board Temp
unreadable.
Automatic Temperature
sensor
is
damaged.
Service required.
Table 4
Fault Messages
Fault
Number
Message
Fault Type
Cause
Solution
Freedom SW 3K2K InvChg Owners Guide.book Page 73 Wednesday, October 9, 2013 1:34 PM