Conext XW PRO 6848 6,800W 48V Installation

Fault
Number
Message Fault Type Cause Solution
F63
AC Overload Escalating Auto
Fault. Must occur
3times in
5minutes before
becoming a
manual fault.
Excessive load on the AC
output.
Check for loads above the inverter’s
capacity. Turn off some loads if
necessary. To clear the fault:
Turn off the unit by holding the
power button for 5 sec.
Disconnect the Conext XW Pro from
the battery bank for 20 sec.
F64
AC Overload L1 Escalating Auto
Fault. Must occur
3times in
5minutes before
becoming a
manual fault.
Excessive load on the AC
output.
See F63
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. Ensure there is only one
primary charger.
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 Conext XW Pro. 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.
F71
Battery Discharge
Over Current
Manual There is an excessive load on
the Li-Ion battery. (The fault
applies only to Li-Ion batteries).
Change the default threshold of the
max battery discharge current limit
or reduce the load.
Troubleshooting Conext XW Pro Owner's Guide
990-91227A-01 This document is intended for use by qualified personnel 119