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Troubleshooting
4–24
975-0240-01-01
F57
FET1 Over
Temperature
Shutdown
Automatic Internal
temperature
is
over 105 °C.
AC input voltage may be
too high while charging.
Operating too large of a
load for too long while
inverting.
Ambient temperature
may be high.
Inverter cooling fan may
have failed.
Inverter airflow intake
may be blocked.
Charging setting is too
high based on ambient
temperature around
inverter.
Fault clears when temperature drops
to 75 °C.
Check for high input AC voltage.
Remove excessive loads.
Let inverter cool down and try
restarting.
Hold a piece of paper to inverter
vents to check the fan. If the fan has
failed, have the inverter serviced.
Increase clearance around the
inverter or unclog the fan air intake.
Lower the
Max Charge Rate
setting.
F58
FET2 Over
Temperature
Shutdown
Automatic
See F57.
See F57.
F59
GOCFG process
failed
Manual
Auto-configuration
process failed.
Retry the “Copy From?” procedure,
or configure the unit manually.
F63
AC Overload
Escalating
Auto Fault.
Must occur 3
times in 5
minutes before
becoming a
manual fault.
Excessive load on the
AC output.
Check for loads above the inverter’s
capacity. Turn off some loads if
necessary.
F64
AC Overload L1
Escalating
Auto Fault.
Must occur 3
times in 5
minutes before
becoming a
manual fault.
Excessive load on the
AC output.
See F63
Table 4-5
Fault Messages
Fault
Number
Message
Fault Type
Cause
Solution
Summary of Contents for XW4024-120
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