Oven Sensor And Door Switch Test; Oven Temperature Sensor; Reed Switch - Monogram ZGP486ND Technical Service Manual

Oven Sensor and Door Switch Test

Note: See
Lock Assembly
1. Remove power from oven.
2. Make the resistance measurement from the side of the sensor and lock switch connector with the
exposed terminals.
3. If abnormal reading is observed, wiggle leads at disconnect block. If any variation, replace.
Circuit
Oven Sensor A
Oven Sensor B
Door Latched
Door Unlatched
J5
OVEN SENSOR
Large Oven
1080
W
OVEN SENSOR
Small Oven
Large Oven
Small Oven
for door switch function explanation.
MAIN AND COMPANION OVENS
Terminals
Main Logic Board J5, pin 1 to pin 2
Main Logic Board J5, pin 3 to pin 4
Relay board J17 pin 1 to J16 pin 3
Relay board J17 pin 1 to J16 pin 4
Relay board J17 pin 1 to J16 pin 4
Relay board J17 pin 1 to J16 pin 3
MAIN LOGIC BOARD
1 1
4 4
1 2 3 4 1 2 3 4
J6
W N W P W G N G
B
1080
MEAT PROBE
30K - 50K
GND
TIP
MEAT PROBE
30K - 50K
TIP GND
1091  @ Rm. Temp.
1654 @ 350°F
2634 @ 865°F
0 
Open
0 
Open
1

REED SWITCH

DOOR UNLOCK
P DOOR LOCK
DOOR STATUS
– 77 –
Ohms
RELAY BOARD
J17
9
J16
5 1
P S O N G Y R W B Y S
B
Y
S