Eaton Corporation Page 71 Ver 1.1
Trouble Shooting Actions for Inverter Faults Messages
A) Consistent Fault
Conditions: The readings between two microprocessors of control board
are not consistent. It could be caused by the DSP and/or other circuits not
functioning properly.
Corrective Actions:
Restart the PV Inverter.
If fault remains, disconnect the PV Inverter and contact the system
installer.
B) FAN2 Lock (PV260/PV270)
Conditions: The external cooling fan of PV Inverter is not working
properly.
Corrective Actions
Visually check the front cooling fan. If any obstacle is found, clean it.
If the top fan is not functioning it may be replaced per the
instructions described in section 9.1.
If fault remains, disconnect the PV Inverter and contact the system
installer.
C) Over Temperature:
Conditions: The internal temperature is higher than normal value
Corrective Actions:
Disconnect PV Inverter for a period (>30 minutes) and then restart
the PV Inverter.
If fault remains, disconnect the PV Inverter and contact the system
installer. Select a new location for the installation when if it is
necessary.
D) Relay Fault:
Fault Conditions: The relay between inverter and grid is not functional
Corrective Actions:
Restart the PV Inverter.
If fault remains, disconnect the PV Inverter and contact the system
installer.
