Xantrex XW4024-120 Operation Manual page 79

Table 4-2 Warning Messages
Warning System Control
Number Panel Message
W57 FET1 Over
Temperature
W58 FET2 Over
Temperature
W63 AC Overload
W64 AC Overload L1
W65 AC Overload L2
W68 Transformer Over
Temperature
W94 Remote Power Off
W95 Equalize Abort
975-0240-01-01
Warning
Type Cause
Automatic Internal temperature is over
85 °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.
Automatic See W57.
Automatic Excessive load on the AC
output.
Automatic See W63.
Automatic See W63.
Automatic See W57.
Automatic The unit has been turned off
with a Remote Power Off
switch.
Manual Equalization terminated
abnormally because of
interrupted AC input.
Faults and Warnings
Solution
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.
See W57.
Check for loads above the
inverter's capacity. Turn off some
loads if necessary.
See W63.
See W63.
See W57.
No action required. The unit stops
inverting or charging immediately,
and shuts down after five seconds.
If the unit is configured as a
master, it signals other network
devices to also shut down.
Wait until AC input (utility grid)
returns to in-tolerance condition.
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