Door, Description; Door Lock, Description - Wascom EMERALD W75ES Operating & Maintenance Manual

Door, description

The door consists of: backing board (1), door
Fig.
(2), glass (3) and door gasket (4). The backing
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board and door are both made of enameled
aluminium. The backing board is bolted directly
to the outer shell of the washing machine.The
door hinges are fastened on the outside of the
backing board and the door lock (5) on the in-
side. The heat-hardened glass is mounted in the
door using a special rubber seal which also acts
as a gasket between the door and the washing
machine's outer shell when the door is closed.

Door lock, description

The door lock consists of a circuit board (1) with
Fig.
a connector. The following parts are mounted on
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the board: the lock plate (2) against which the
locking bolt turns to lock the door and a micros-
witch (3) which closes when the locking bolt has
locked the door.
There is also a locking device on the circuit card
which acts to lock the locking bolt in place when
the machine starts up. The device consists of a
double-acting drag magnet (4), a delay unit (5)
and the locking device itself (6) which operates
sideways in blocking the locking bolt with a stud.
The locking device can be affected by both the
drag magnet and the delay unit.
The lock operates as follows:
• When the door is shut and the locking bolt
moved to the lock position, the micro switch
will indicate that the door is closed.
• When the machine is started, the drag magnet
actuates the locking device, blocking the door
lock. The locking device signals the delay
unit, closing a switch in the unit. The washing
machine motor will start and water enter the
machine only after the delay unit receives the
information that the door is locked. The bi-
metallic spring in the delay unit is warmed up
at the beginning of the program.
• Once the washing machine stops at the end of
a cycle, the drag magnet pulls back the
locking stud and allows the door to open. The
delay unit is spring-mounted in the locking
device and is also pulled back by the drag
magnet. The drag magnet operates for about
two minutes to allow the bi-metallic spring to
cool enough not to lock the door again.
• If current should disappear during a cycle, the
delay unit will keep the door locked for about
two minutes, ensuring that the wash water can
drain out (The drain valve opens automatically
when current is lost).
Mechanical and electrical design
NOTE
Do not repair a faulty door lock.
Allways replace the old unit
with a new one, to assure prop-
er operation of the door safety
interlock.
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1
4
3
2
65
1
4
43
5
1148
5
6
2
3
1149