21. Control unit
21
3
438 9149-61/02
01.42
Service
Manual
1
Fig.
1
Description
The control unit of the machine consists of the following parts:
• Front control unit
This unit contains a microcomputer-controlled electronic programme unit
A1, a safety control card for the door lock (door lock control A31), a
noise suppressor Z1 and a low-voltage transformer T10 that supplies
power to the programmer unit and the door lock control.
• Rear control unit
This module contains the main power switch Q1 with a connection for
received voltage, the heat contactor K21 and the communication card
A21 with outputs for e.g. external detergent supply.
5183 5182 5185
T1
T2
T3
L1
N
N
L2
L3
Front control unit
Rear control unit
Z1
Noise suppressor
A1 Programme unit
B2
Level guard
A31
Door lock controller
T10
Transformer
Q1
Main power switch
K21 Heater contactor
A21
Communication card
K22 Heater contactor
(only larger machines)
To Next Page