Electrolux T5675 Service Manual page 153

Troubleshooting
153
22:49 POWER UNIT CODE INVALID
The Motor Control Unit indicates error E.Puci.
Power unit code invalid. During initialization the power unit was not recognized or identified
as invalid.
Internal message 49.
Recommended actions:
1. Switch off the main power to machine for 5 minutes.
2. Restart the machine.
22:50 POWER UNIT CHANGED
The Motor Control Unit indicates error E.Puch. Power unit changed.
Power module ID was changed. With a valid power unit the error can be reset by writing to SY.3,
see inverter manual.
Mismatch between CPU module and Power module internally in Frequency controlled due to
bad contact.
Internal message 50.
Recommended actions:
1. Switch off the main power to machine for 5 minutes.
2. Restart the machine.
22:51 DRIVER RELAY
The Motor Control Unit indicates error E.dri.
Error in Driver relay.
Internal message 51.
Recommended actions:
1. Switch off the main power to machine for 5 minutes.
2. Restart the machine.
22:52 HYBRID
The Motor Control Unit indicates error E.Hyb.
Error hybrid. Invalid encoder interface identifier. Not used in this application.
Internal message 52.
22:54 COUNTER OVERRUN 1
The Motor Control Unit indicates error E.co1.
Counter overflow encoder channel 1. Not used in this application
Internal message 54.