104 Troubleshooting
22 Redundant IGND The inverter has diagnosed an internal measurements
redundancy fault.
Power down the inverter.
Restart the inverter.
If the inverter returns to the same fault state, power down the
inverter and contact your system supplier.
23 Redundant VAC The inverter has diagnosed an internal measurements
redundancy fault.
Power down the inverter.
Restart the inverter.
If the inverter returns to the same fault state, power down the
inverter and contact your system supplier.
24 Rated power
mismatch
The inverter has diagnosed a parameter error.
Try to reset the fault. Monitor whether or not the inverter returns to
normal operation.
If the inverter does not return to normal operation, power down the
inverter and contact your system supplier.
25 Power board id The inverter cannot detect the power board.
Power down the inverter.
Restart the inverter.
If the inverter returns to the same fault state, power down the
inverter and contact your system supplier.
Fault
message
ID code
Fault message
description
Causes of fault and corrective actions
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