23
23. Programme unit
6
438 9149-81/06
04.03
Service
Manual
Outputs
The programme unit has 11 relays that control
the various functions of the machine, water
valves the drain valve and heating of the water.
All control signals are fed to the communication
card before these are sent to the destination
component.
Some signals are also present for external
control of detergent supply according to the table
below.
Block No. Function
Outputs (200 - 240 V AC)
X72 :1 O V
:2 “Door locked” signal
:3 Pre-wash detergent
:4 Main wash detergent
:5 Rinsing agent (compartment 3)
:6 Additional detergent (compartment 4)
:7 Bleaching agent/starch
X70: 3,4 “Door locked, machine not started” signal
Input
X70 3,4 Function 1, 2 or 3 below is preset in the
service programme.
1. Price reduction in combination with
coin box
2. Start condition
3. Start after pause
Fig.
6
Fig.
7
6
7
5190
5182
Heating
elements
Voltage
supply
K21
Programme unit
A1
Communication card A21
Water
valves
Drain
valve
Outputs, water, detergent
X70
X72
Service switch S40
F11
(T1,25A)
F12
(T1,25A)
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