Corrective maintenance
9.5 If the converter no longer responds
Converter with the control units CU240D-2
308
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Procedure
1.
Remove the memory card if one is inserted in the inverter.
2.
Switch off the inverter power supply.
3.
Wait until all LEDs on the inverter are dark. Then switch on the inverter power supply
again.
4.
Repeat steps 2 and 3 as often as required until the inverter outputs fault F01018.
5.
Set p0971 = 1.
6.
Switch off the inverter power supply.
7.
Wait until all LEDs on the inverter are dark. Then switch on the inverter power supply
again.
The inverter now powers up with the factory settings.
8.
Recommission the inverter.
You have restored the inverter factory settings.
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Case 2
●
The motor is switched off.
●
You cannot communicate with the inverter, either via the operator panel or other
interfaces.
●
The LEDs flash and are dark - this process is continually repeated.
Procedure
1.
Remove the memory card if one is inserted in the inverter.
2.
Switch off the inverter power supply.
3.
Wait until all LEDs on the inverter are dark. Then switch on the inverter power supply
again.
4.
Wait until the LEDs flash orange.
5.
Repeat steps 2 and 3 as often as required until the inverter outputs fault F01018.
6.
Now set p0971 = 1.
7.
Switch off the inverter power supply.
8.
Wait until all LEDs on the inverter are 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.
❒