F40 - Power Electronic Epl Fault (1N1-1, 2N1-1); F41 - Eeprom Faulty/Data Fault; F42 - Line Frequency Not Registered; F73 - Brew Unit Fault - Miele CM6 Technical Information

CM6
Cause:
The electronics for CM 61x0 and CM 63x0 are not interchangeable.
The following combinations are possible:
Power electronic
Remedy:
Combine display/control and power electronics correctly.
3.7

F40 - Power Electronic EPL Fault (1N1-1, 2N1-1)

Symptom:
Impermissible state registered at power electronic.
Cause:
The power electronic's computer was reset due to a power failure.
Remedy:
Switch the appliance off and back on.
3.8

F41 - EEPROM Faulty/Data Fault

Symptom:
Checksum at switch-on or when switching on out of standby mode triggers a fault.
Cause:
Fault while saving data (power failure during data storage). EEPROM defective.
Remedy:
Install a new power electronic. See Section 001-4.13.
3.9

F42 - Line Frequency Not Registered

Symptom:
No or insufficient zero-crossings (voltage) were calculated during a 6-second interval.
Cause:
Power electronic EPL (1N1-1, 2N1-1) defective.
Remedy:
Replace the power electronic; see Section 001-4.13.
3.10

F73 - Brew Unit Fault

Symptom:
Brew unit doesn't move to the desired position within 6 seconds.
CM 61x0
Model variant
CM 63x0
25
Technical Information
Display/Control electronic
Model variant
CM 61x0
Compatible Not compatible
Not compatible
CM 63x0
Compatible