Xantrex XW4024-120, Operation Manual

Page: 79 / 112

Faults and Warnings
975-0240-01-01 4–13
W57 FET1 Over
Temperature 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.
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.
W58 FET2 Over
Temperature Automatic See W57. See W57.
W63 AC Overload Automatic Excessive load on the AC
output. Check for loads above the
inverter’s capacity. Turn off some
loads if necessary.
W64 AC Overload L1 Automatic See W63. See W63.
W65 AC Overload L2 Automatic See W63. See W63.
W68 Transformer Over
Temperature Automatic See W57. See W57.
W94 Remote Power Off Automatic The unit has been turned off
with a Remote Power Off
switch. 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.
W95 Equalize Abort Manual Equalization terminated
abnormally because of
interrupted AC input. Wait until AC input (utility grid)
returns to in-tolerance condition.
Table 4-2 Warning Messages
Warning
Number System Control
Panel Message Warning
Type
Cause Solution