Door Switches - GE JS998 Series Technical Service Manual

Door Switches

Safety Interlocks
The microwave interlock system has a left and a
right interlock assembly.
Left Interlock Switch Assembly - Door sense
switch (NO) and secondary interlock switch (NO)
with two 2 position connectors with black and
brown wire outputs.
Left Side Door Switches
Right Interlock Switch Assembly - Interlock
monitor switch (NC) and primary interlock switch
(NO) with one 4-position connector with red and
black wire outputs.
Right Side Door Switches
Monitor Switch
Primary Interlock Switch
Note: Replace entire left side door switch
assembly or right side door switch assembly. Do
not replace the individual switches. Switch
positions and interlock actuation distance are
controlled by assembly of switch-to-mounting
bracket. Do not replace or adjust individual
switches on door switch assembly.
Door Sense Switch
Secondary Interlock Switch
Oven Door Sense Switch
The oven door sense switch is located in the left
interlock assembly on the Trivection
Proper operation of the door sense switch is
required for proper operation of the microwave,
oven light, convection fan and the door lock.
To check the door sense switch:
1. Enter the service mode (see
2. Select DOOR POSITION option and observe
the display as the door is opened and closed.
3. If the state (open/closed) does not change on
the display, turn off power and check wiring
and switch with ohmmeter.
Interlock and Monitor Switches
Proper operation of the interlock switches and
monitor switch are required for proper operation of
the microwave system. When troubleshooting or
replacing interlock switch assembly, follow the
procedure outlined below to verify proper switch
operation.
To check the primary and secondary interlock
switches:
1. With power off, attach meter probes to the
leads of each switch.
2. Verify the following:
• Closed door circuit must have continuity.
• Opened door circuit must read open.
To check the monitor switch:
1. With power off, attach meter probes to the
leads of each switch.
2. Verify the following:
• Closed door circuit must read open.
• Opened door circuit must have continuity.
Important: Any defective or misadjusted
components in the interlock monitor, door seal,
microwave generation and transmission systems
shall be repaired, replaced, or adjusted by
procedures described in this manual before the
oven is released to the owner.
– 24 –
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oven.
).
Service Mode