Xantrex XW4024-120 Operation Manual page 91

Table 4-5 Fault Messages
Fault
Number Message
F65 AC Overload L2
F66 System
Configuration Fault
F67 Watchdog Error
F68 Transformer Over
Temperature
F69 External Sync
Failed
F500 Silicon Serial ID
Failure
975-0240-01-01
Fault Type Cause
Escalating Excessive load on the
Auto Fault. AC output.
Must occur 3
times in 5
minutes before
becoming a
manual fault.
Automatic Multi-Unit
Configuration settings
are incorrect.
Manual
Automatic The transformer
temperature is over
140 °C.
Manual
Manual Silicon Serial ID Failure
Faults and Warnings
Solution
See F63.
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.
Service required.
The fault clears when the
transformer temperature falls to
125 °C. Ensure adequate ventilation
around the XW Inverter/Charger.
Reduce AC loads.
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.
Service required.
4–25