R-32STM. (with corrections to door panel Parts 5 5 04) - Sharp Home Appliance Service Manual (repair manual). Page 6

R32STM - 6

1.  When the oven door is closed, the contacts (COM-

NO) must be closed.

2.  When the oven door is opened, the contacts (COM-

NO) must be opened.

f the oven door is opened and the contacts

(COM-NO) of the monitored latch switch SW1
fail to open, the fuse F1 blows simultaneously
with closing the contacts (COM-NC) of the
monitor switch SW2.

CAUTION:  BEFORE REPLACING A BLOWN

FUSE F1 TEST THE MONITORED
LATCH SWITCH SW1, MONITOR
SWITCH SW2.

Ensure the following:

1. Wires must not touch:

a) High voltage parts.
    (Magnetron, high voltage transformer, high voltage capacitor and high voltage rectifier assembly)
b) Parts that become hot.
    (Heating elements, oven lamp, oven cavity magnetron and high voltage transformer)
c) Sharp edges.
    (Bottom plates, oven cavity, waveguide flange, chassis support and other metallic parts)
d) Movable parts.
    (Fan blade, any motor, switch, switch lever and open button)

2. Positive lock connectors are fitted correctly.
3. Wires are connected correctly as per pictoral diagram.
4. No wire leads are trapped by the outer wrap.

Before carrying out any work; carry out 3D checks.
1.

isconnect the supply.

2.

oor opened, and wedged open.

3.

ischarge the high voltage capacitor.

LATCH
HEADS

LATCH HOOK

MONITOR
SWITCH (SW2)

MONITORED
LATCH
SWITCH (SW1)

STOP
SWITCH
(SW3)

DOOR OPEN BUTTON

OPEN LEVER

DOOR