Lock Assembly; Relay Boards - GE Profile PT925 Technical Service Manual

Relay Boards

The relay boards can be accessed by removing the
main rear access panel. The top relay board controls
the lower oven, and the bottom relay board controls
the top oven.
The lower oven relay board contains the power
supply module, which provides power to the rest of
the control system.
Lower Oven Relay Board
Upper Oven Relay Board
To remove the relay boards:
1. Remove the main rear access panel. (See
.)
Access Panels
2. Mark and disconnect all connectors from the
relay boards.
3. Remove the four 1/4-in. hex-head screws (2 on
each side) that hold each relay board in place.

Lock Assembly

The motorized door lock assembly is located above
the oven and comes as a complete assembly.
Door Locking/Unlocking Strip Circuit
LOCK RELAY
L
J14
ALL OTHER MODES WITH DOOR CLOSED
LOCK RELAY
L
J14
The cam on the motor performs two functions:
1. Positions the lock hook in the door to prevent
opening during clean operation.
Rear
2. Operates the lock switches, which tell the
control if the door is unlocked or locked and
ready for clean operation.
Note: When the door is either being locked or
unlocked, both the lock and unlock switches will
be in the open position. The upper oven latch is
controlled by the upper oven relay board. The lower
oven latch is controlled by the lower oven relay
board.
– 38 –
LOCK
MOTOR
J7
LOCK
MOTOR
J7
Strip Circuit
J16
LOCKED
5
4
3
2
1
J17-Pin9
(Continued next page)
N
DOOR
SWITCH
NO
C
NC
N
DOOR
SWITCH
NO
C
NC