T-2
(2) Switches
(3) Solenoids
Step Check Result Action
1
Does the input signal (NO) to the Mechanical Control
Board go from LOW to HIGH when the switch is actu-
ated?
NO Replace the switch.
YES
Replace the
Mechanical Control
Board.
Step Check Result Action
1
Does the output signal from the Mechanical Control
Board go from HIGH to LOW when the solenoid is
energized?
NO
Replace the
Mechanical Control
Board.
YES Replace the sole-
noid.
Not Use
COM
NO
4025T523AB
1
2
2
1
2
1
4025T522AA