Oven Sensor And Door Switch Test - Monogram ZET1PL1SS Technical Service Manual

Oven Sensor and Door Switch Test

Note: See
Lock Assembly
1. Remove power from oven.
2. Make resistance measurement from side of sensor and lock switch connector with exposed terminals.
3. The resistance measurements are made on the logic board at connector CN2 (single/upper oven) and
CN1 (lower oven-double wall oven only).
4. If abnormal reading is observed, wiggle leads at disconnect block. If any variation, replace.
SINGLE/UPPER OVEN
Circuit Terminals
Oven Sensor 9 to 10
Door Latched 5 to 6
4 to 6
Door Unlatched 4 to 6
5 to 6
LOWER OVEN (DOUBLE WALL OVEN ONLY)
Circuit Terminals
Oven Sensor 9 to 10
Door Latched 4 to 5
3 to 5
Door Unlatched 3 to 5
4 to 5
for door switch function explanation.
Ohms
1091 Ω @ Rm. Temp.
1654 Ω @ 350°F
2634 Ω @ 865°F
0 Ω
Open
0 Ω
Open
Ohms
1091 Ω @ Rm. Temp.
1654 Ω @ 350°F
2634 Ω @ 865°F
0 Ω
Open
0 Ω
Open
MEAT PROBE
MEAT PROBE
30-50K Ω @
30K-50K Ω @
ROOM TEMP.
ROOM TEMP.
1 2
MEAT PROBE
MEAT PROBE
30-50K Ω @
30K-50K Ω @
ROOM TEMP.
ROOM TEMP.
1 2
– 48 –
DOOR
DOOR
DOOR DOOR
CLOSED
UNLOCK
LOCKED CLOSED
DOOR
DOOR
LOCK
UNLOCK
3 4 5 6 7 8 9
Logic Board-CN2
DOOR DOOR
DOOR DOOR
UNLOCK CLOSED
LOCKED CLOSED
DOOR
DOOR
LOCK
UNLOCK
OVEN
SENSOR
SENSOR
3 4 5 6 7 8 9
BLACK
BLACK
JUMPER
JUMPER
Logic Board-CN1
OVEN
OVEN
SENSOR
SENSOR
10
OVEN
10 11