26
H4-72-02-03
For internal use only
10.2
Fault tracing tree
10.2.1 EMWK 9600.0
Appliance switches E7 off after 22 seconds or E8 off after 3 seconds in microwave operation.
Check the power consumption
Switch-off after approx. 3 sec.
Check the magnetron:
Power consumption <0.5A
Switch-off after approx. 22 sec.
Power consumption <0.5A
heating filament, earth
connection and connection.
Carry out a visual inspection:
broken magnets and
burned or broken antenna.
No
No
No
No
Yes
Yes
Yes
Replace the magnetron
Replace the converter
Loose or poor cable connection:
Check the door switch.
Check the relay.
Contact X2 on the relay board is
interrupted or not plugged.
Converter input voltage
Check for 230V
Check the inverter control signal on
CN701; check approx. 2-3 V
direct voltage between the
earth and pin.
E 8
E 7, E 8
E 7
