Xantrex XW4024-120, Operation Manual

Page: 88 / 112

Troubleshooting
4–22 975-0240-01-01
F38 AI L2 Under
Voltage Automatic See F37. See F23.
F39 AI L1L2 Under
Voltage Automatic Under-voltage anti-
islanding fault, caught by
the qualification limit,
voltage difference
between L1 and L2. See F23.
F40 AI L1L2 Under
Voltage Automatic Under-voltage anti-
islanding, fast
disconnect, 132 V. See F23.
F41 APS Under Voltage Escalating
Auto Fault.
Must occur 3
times in 30
seconds before
becoming a
manual fault. Auxiliary power supply
under-voltage shutdown Clear the fault and attempt restart. If
problem persists, call customer
service.
F42 APS Over Voltage Escalating
Auto Fault.
Must occur 3
times in 30
seconds before
becoming a
manual fault. Auxiliary power supply
over-voltage shutdown Clear the fault and attempt restart. If
problem persists, call customer
service.
F44 Battery Over
Temperature Automatic Battery over-
temperature shutdown at
60 °C. Clear the fault and attempt restart.
Stop charging, check battery voltage
and temperature. Check for
excessive ambient temperature and
adequate ventilation in the battery
compartment.
F45 Capacitor Over
Temperature Automatic Capacitor over-
temperature shutdown at
150 °C. Clear the fault and attempt restart.
Ensure adequate ventilation around
the XW Inverter/Charger. Reduce
AC loads.
F46 Controller fault Manual Controller fault Service required.
Table 4-5 Fault Messages
Fault
Number
Message Fault Type Cause Solution