Function; Front Control Unit - Electrolux W365H Service Manual

21

Function

Front control unit

Programme unit A1
The programme unit is electronically controlled
Fig.
and has seven fixed programmes and four
2
optional functions. To simplify maintenance and
troubleshooting, the programme unit features
special service and self-diagnostic functions.
The programme unit is described in detail in
section 23. Programme unit.
Level guard B2
Control of the water level and turning of the drum
Fig.
are controlled with a backup guard, to ensure
2
that the door will not open with water in the drum
or when the drum rotates.
Apart from a level guard on the programme unit
card, there is a level guard B2, connected to the
door lock control A31. This card controls door
locking action as well as the level and drum rpm
speed.
Transformer T10
Low-voltage transformer that supplies power to
Fig.
the programme unit.
2
Using the shorting pins on the PCB, the
Fig.
transformer is switchable among four different
3
voltages.
4
21. Control unit
X172
2
Programme unit A1
Level guard B2
Transformer T10
3
1,75 V 1,75 V 14,5 V
7 6 5 4
X178
120 208
Voltage supply
Voltage supply
shorting pin
Service
Manual
5183 5186
13,5 V
3 2 1
230 240
5199
438 9149-61/02
01.42