3. Machine presentation
3
7
438 9144-81/02
04.03
Service
Manual
Door lock
The door lock is an electro-mechanical type with
double safety switches. The lock is bi-stable, i.e.,
it needs to receive an active pulse from the
control in order to both lock and unlock the door.
A separate printed circuit board, called door lock
control, can be fitted onto the programme unit.
This board controls locking and unlocking. The
card has separate checks for empty drum and
stopped drum. Together with the checks built into
the programme unit, this guarantees that the
door cannot be opened by a mistake.
The door lock on the machine is described in
detail in section 29. Door and door lock.
Door lock control
A31
Level
guard B2
M1
Door lock
A41
Programme unit
A1
Motor
control U1
5225
I/O card
A11
Rotation sensor B3
8
Fig.
7
Fig.
8
Door lock control A31
Door lock
6109
7
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