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Faults and Warnings
975-0240-01-01
4–25
F65
AC Overload L2
Escalating
Auto Fault.
Must occur 3
times in 5
minutes before
becoming a
manual fault.
Excessive load on the
AC output.
See F63.
F66
System
Configuration Fault
Automatic
Multi-Unit
Configuration settings
are incorrect.
Ensure only one unit is configured
as the master. Ensure each unit has a
unique Device Number, and that
Connections have been configured
correctly. See “Connections Menu”
on page 3–26.
F67
Watchdog Error
Manual
Service required.
F68
Transformer Over
Temperature
Automatic The
transformer
temperature is over
140 °C.
The fault clears when the
transformer temperature falls to
125 °C. Ensure adequate ventilation
around the XW Inverter/Charger.
Reduce AC loads.
F69
External Sync
Failed
Manual
Check connections and cable on
external AC sync port. In a single-
inverter system, nothing must be
plugged into the AC sync port. Clear
fault and try again. If these steps
fail, the unit requires service.
F500
Silicon Serial ID
Failure
Manual
Silicon Serial ID Failure
Service required.
Table 4-5
Fault Messages
Fault
Number
Message
Fault Type
Cause
Solution
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