Monogram ZET1PL1SS Technical Service Manual page 34

Door Lock - Locked Position
UNLOCK
Switch
DOOR
Switch
Cam
Plunger
Spring
Screw
Door Plunger
Pawl
Strip Circuit
Unlock
Lock Assembly Wire Harness
Lock
Yellow
Orange
Blue
Door Lock - Unlocked Position
Strip Circuit
Unlock
Lock Assembly Wire Harness
Lock
Yellow
Orange
Blue
LOCK
Switch
Motor
To remove the lock assembly:
Baseplate
The lock assembly is held in place by two ¼-in.
hex-head screws. To access the lock assembly on
a single or upper oven, see
Access
Compartment Access
Yellow - Common input
signal to ERC
Orange - 5-Volt square wave
50% duty cycle (measure
2.5 to 2.9 VDC on meter)
Blue - DC ground
Caution: It is possible to reconnect the switch wiring
incorrectly to the lock assembly. When reconnecting
the wiring, make sure it is properly connected to the
lock assembly before turning the power back on.
Yellow - Common input
signal to ERC
Orange - 5-Volt square wave
50% duty cycle (measure
2.5 to 2.9 VDC on meter)
Blue - DC ground
– 34 –
Lock Assembly Voltage Checks
Test Wires Locked Unlocked
Yellow to 0 2.5 VDC
Orange
Yellow to Blue 2.6 to 2.9 0
VDC
. On the lower oven, see
.
While Unlocking While Locking
2.5 VDC 2.6 to 2.9 VDC
5.0 VDC 5.0 VDC
Control Compartment
Lower Oven Control
Lock Assembly