Service
Manual
9406
29. Door and safety locking device
29
1
2221
1
Description
up to machine No.
-91/5500 (120 l machine)
-91/5874 (220 l machine)
The machine safety locking device is a safety system
which prevents personal injury through the following
precautions.
•
The machine cannot be started until the door is
shut.
•
The door is automatically locked when the
machine starts.
•
It is not possible to open the door until 20-30
seconds have elapsed after the washing
programme has ended. This ensures that the drum
is motionless when the door is opened.
Warning!
Before opening the door of machines with an
automatic card device it is essential to check
that the water has been emptied for the drum,
either manually or via the programme card.
Brief descripton of the function of the safety
docking device
1. Door locked
Microswitches on the side
of the door lock ON.
2. Timer at position 1.
Door lock's solenoid A1
locks the handle making it
possible to open the door.
The door lock's micro-
switch is actuated by the
solenoidand arrives at
position ON.
3. Programme is run.
4. Programme end. Pro-
Capacitor in the delay
gramme dial in pos. 0. circuit X3 is discharged
over the solenoid. The
solenoid releases after
20-30 seconds, the handle
is desengaged and the
door may be opened.
Repair instructions
If the solenoid does not lock the door.
•
Check that the coil is receiving 100-110V direct
voltage. Measure the coil to determine if there is
an interruption.
•
Check that the armature of the solenoid is not
stuck.
•
Replace the entire solenoid.
Other possible faults:
•
Faulty microswitch.
•
Faulty delay unit.
•
Mobile parts jammed.
•
Handle not in lock position.
Fig.
1
Handle
Micro-
switch
Y8
A1 solenoid
Microswitch
Lock rocker
Link
Locking pin
Pivot
Phase
Other
functions
Manual
functions
Programme
dial
