7. Switch off the inverter power supply.
8. Wait until all LEDs on the inverter go dark. Then switch on the inverter power supply again.
The inverter now powers up with the factory settings.
9. Recommission the inverter.
You have restored the inverter factory settings.
The motor cannot be switched-on
If the motor cannot be switched-on, then check the following:
● Is a fault present?
If there is, then remove the fault cause and acknowledge the fault.
● Has the inverter been completely commissioned p0010 = 0?
If not, the inverter is e.g. still in a commissioning state.
● Is the inverter reporting the "ready to start" status (r0052.0 = 1)?
● Is the inverter missing some enable signals (r0046)?
● How does the inverter receive its setpoint and commands?
Digital inputs, analog inputs or fieldbus?
Corrective maintenance
9.4 If the converter no longer responds
Converter with the CU230P-2 Control Units
434 Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
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