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5
29
29. Door and door lock
438 9150-01/06
04.10
Service
Manual
Fig.
4
4
The door lock unlocks the door
The programme unit requests door unlocking by
applying 0 V on input X92 of the door lock
controller.
The following check is made prior to unlocking of
the door:
•
No water in drum
- input X93 from level
guard B2 is closed = 0 V
•
Motor not engaged
- input X94 from motor
controller U1 open = 5 V
•
Drum not turning
- pulse frequency on input
X95 from rotation sensor B3 is less than 0.4
Hz.
When the above conditions are met, the door
lock controller outputs an opening pulse on
output 96 to the door lock actuator/coil, which
then unlocks the door. Micro switches S4a and
S4b now interrupt the actuator/door lock and the
I/O card 1 relays lose all voltage to prevent the
motor from starting (interlock signal on motor
controller input X302). The drain and water
valves of the machine are now disabled and the
heater and motor cannot be switched on.
5191
Door lock
control
A31
Level
guard
B2
M1
Door lock
A41
Programme
unit A1
X92
X31
X96
X95
X93
X30
X94
Motor
control
U1
Rotation sensor B3
X304
X302
X37
Содержание W3105H
Страница 1: ...Service Manual W365H W375H W3105H W3130H W3180H W3240H W3300H Exacta 438 9201 81 EN 06 42 ...
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Страница 5: ...438 9144 41 01 00 23 1 1 1 Safety precautions Service Manual Contents Safety precautions 3 Warnings 3 ...
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Страница 9: ...2 Technical data 438 9144 61 02 03 20 Contents Technical data 3 Physical features 3 Connections 4 ...
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Страница 23: ...11 Regular maintenance 438 9145 01 01 00 23 Contents Daily 3 Every third month 3 ...
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Страница 143: ...38 Drain valve 438 9146 01 01 00 23 Contents Description 3 Function 3 Repairs 4 Disassembly 4 Assembling 5 ...
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Страница 149: ...39 Detergent compartment 438 9146 21 01 00 23 Contents Description 3 ...
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