Service manual

3
21
21. Control unit
Service
Manual
1
Fig.
1
Description
The control unit of the machine consists of the following parts:
• Front control unit
This unit contains an electro-mechanical programme unit A1, a safety
control card for the door lock (door lock control A31), thermostat B1,
level switch B2 and 4 and rotary switch S5.
• 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.
5925, 5182, 5916
T1
T2
T3
L1
N
N
L2
L3
Front control unit
Rear control unit
Q1
Main power switch
K21 Heater contactor
A21
Communication card
K22 Heater contactor
(only larger machines)
X30
X38
X39
X37X28 X31
X27
X33 X34
X21
X20
X24
X26
X11 X12 X13 X14
X92
X97
X91X90
X93
X95
X96
X94
X99
X98
X161 X160 X36
X111
X112 X113 X114
A31
Door lock
controller
S5
Rotary switch
program selector
B1
Thermostat
A1
Programme unit
B2
Level switch
B4
Level switch
wash program