3
H4-72-02-03
For internal use only
Contents
1.
Safety ............................................................................................................................... 4
1.1
Microwave warnings .............................................................................................. 5
1.2
Electric connection ................................................................................................ 5
1.3
Converter switch warnings .................................................................................... 5
2.
Assembly ......................................................................................................................... 6
2.1
Disposing of the packaging and your old appliance .............................................. 6
2.2
Technical Data....................................................................................................... 6
3.
Construction components ............................................................................................. 7
3.1
Power supply unit .................................................................................................. 7
4.
Functions......................................................................................................................... 7
4.1
Demo mode (wiring for fairs) (EMWK 9800.0 only) .............................................. 7
4.2
Children's safety device......................................................................................... 7
4.3
Swelling arrow (EMWK 9800.0 only) ..................................................................... 8
4.4
Oven safety shutdown ........................................................................................... 8
5.
Repairs............................................................................................................................. 9
5.1
Safety precautions - microwave energy ................................................................ 9
5.2
Checking the diode.............................................................................................. 10
5.3
Checking the converter switch............................................................................. 10
5.4
Checking the safety switch .................................................................................. 11
5.5
Checking the hot-air fan motor ............................................................................ 12
5.6
Checking the antenna motor ............................................................................... 12
5.7
Checking the magnetron, cross-flow and vapour filter ........................................ 12
5.8
Checking the power connection .......................................................................... 13
5.9
Checking the ring heater ..................................................................................... 14
5.10
Checking the grill heater ...................................................................................... 14
5.11
Checking the bottom heat.................................................................................... 14
5.12
Possible complaints from customers about the swelling arrow
(EMWK 9800.0 only) ........................................................................................... 14
6.
Cleaning......................................................................................................................... 15
7.
Safety precautions during troubleshooting ............................................................... 16
7.1
Test program ....................................................................................................... 16
7.2
Testing the individual consumers ........................................................................ 17
7.3
Testing the converter........................................................................................... 18
7.4
Testing the control elements ............................................................................... 18
7.5
The debug mode ................................................................................................. 20
8.
Leak test (leak indicator gauge) .................................................................................. 21
8.1
Abnormal operation (no-load operation) .............................................................. 21
8.2
Normal operation, loaded .................................................................................... 21
9.
Measuring the output power of the magnetron ......................................................... 22
10. Troubleshooting ........................................................................................................... 23
10.1
Error messages ................................................................................................... 24
10.2
Fault tracing tree.................................................................................................. 26