Conext XW+ 6848 NA Owner's Manual page 121

Table 4-6 Fault Messages
Fault
Number Message
F52 EEPROM Error
F53 EEPROM Error
F54 EEPROM Error
F55 EEPROM Error
F56 EEPROM Error
F57 FET1 Over
Temperature
Shutdown
975-0240-01-01
Fault Type Cause
Manual
Manual
Manual
Manual
Manual
Automatic Internal temperature is
over 105 °C.
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.
Faults and Warnings
Solution
No action. Clear fault and
resume operating or
configuring the unit. If the
fault persists, have the unit
serviced.
See F52.
See F52.
See F52.
See F52.
Fault clears when
temperature drops to 75 °C.
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.
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