GE PT925 manual Relay Boards, Lock Assembly, To remove the relay boards, Strip Circuit

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 Rear 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	LOCK	DOOR	N
	MOTOR
J14	J7	SWITCH
		NO
		C
		NC
ALL OTHER MODES WITH DOOR CLOSED
	LOCK RELAY
L	LOCK	DOOR	N
	MOTOR
J14	J7	SWITCH
		NO
		C
		NC

The cam on the motor performs two functions:

1.Positions the lock hook in the door to prevent opening during clean operation.

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.

Strip Circuit

LOCKEDJ16

5

4

3

2

1

J17-Pin9

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