Service
Manual
Type Edition Page
11 2
29
Function
When the door is closed, the microswitch trips and
indicates to the timer that the door is closed.
When the machine starts, the solenoid locks the
lock knob by drawing the lock bolt into closed
position. A microswitch in the delay unit is
controlled by the lock bolt and indicates that the
lock bolt is in closed position. Only when this signal
is received does the drum start to rotate and water
begin to fill the drum.
When the wash program is completed, the solenoid
releases the lock bolt and the safety lock can be
opened without any delay. The solenoid remains
energized for approx. two minutes so that the
bimetal spring in the delay unit can cool-down and
not re-lock the door when the solenoid de-
energizes.
If a power failure occurs during a wash cycle, the
delay unit keeps the door locked for approx. two
minutes allowing the drum to stop rotating and the
water to drain (the drain valve opens automatically
in the case of a power failure).

Fault tracing

If the solenoid does not lock the door:
• Check that there is voltage reaching the right coil
in the solenoid. Measure the voltage supply to
the coil to check for possible power failure.
• Check that the lock bolt runs smoothly (the door
must be closed) and that the solenoid plunger
does not jam.
The door remains locked longer than approx. two
minutes:
• Check that there is voltage to the left coil in the
magnet. Measure the voltage supply to the coil
to check for possible power failure.
Other possible reasons for faults:
• Faulty microswitch
• Faulty switch in delay unit

29. Door and Safety Locking Device

N.B!
The safety lock is an important
safety component and may not be
repaired. In case of faulty
functioning, the entire safety lock
should be replaced.
9002