Schneider Electric User Guide

Faults and Warnings
975-0240-01-01 4–13
W57 FET1 Over
Temperature
Automatic Internal temperature is
over 85 °C (185 °F).
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 Automatic See W63. See W63.
W68 Transformer Over
Temperature
Automatic See W57. See W57.
Table 4-3 Warning Messages
Warning
Number
Conext System
Control Panel
Message
Warning
Type Cause Solution
Conext XW+ Owner's Guide NA (975-0240-01-01).book Page 13 Monday, November 27, 2017 10:00 AM