GE JB905

– 45 –
Lock Motor
Yes
No
y Is the circuit breaker open or fuse blown?
Reset the circuit breaker
or replace the fuse.
The lock
motor does
not work.
Replace the oven
control circuit board.
No
Replace the oven door switch.
y Does the left front burner work properly?
No
Replace the lock motor.
y Does the lock motor work properly?
No
No
Unplug the oven.
y Is there continuity between pin (MDL -
marked as HDL on the Wiring Diagram) on the
oven control circuit board and the terminal
for wire (B-16) on the lock motor?
y Is there continuity between the terminal for
wire (S-2) on the lock motor and the
terminal for wire (S) on the convection fan
motor?
y Is there continuity between the terminal for
wire (S-3) on the lock motor and the
terminal for wire (S-3) on the oven door
switch?
y Is there continuity between the terminal for
wire (N-3) on the lock motor and CN2 pin
(4) on the oven control panel circuit board?
y Is there continuity between the terminal for
wire (O-7) on the lock motor and CN2 pin
(5) on the oven control panel circuit board?
y Is there continuity between the terminal for
wire (Y-1) on the lock motor and CN2 pin
(3) on the oven control panel circuit board?
y Is there continuity between the terminal for
wire (C-3) on the oven door switch and CN2
pin (2) on the oven control circuit panel?
y Is there continuity between the terminal for
wire (C-3) on the oven door switch and CN2
pin (1) on the oven control circuit panel?
y Is there continuity between the terminal for
wire (W-3) on the oven door switch and
wire (W-1) to the 220 volt power input
terminal?
No
Repair faulty wiring.
No
Repair faulty wiring.