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BASIC SERVICE
29
ELECTRICAL SERVICE (Cont.)
Timers
MH-60, MH-6N, and MH-6L models have two timers
located in the control cabinet.
These timers are not adjustable.
The timer chart is shown in Fig. 17.
Cycle Timer —
Refer to Fig. 16.
The cycle timer controls the dishwasher’s 60-second
operation. The timer consists of a timer motor, four
micro-switches, and four non-adjustable metal cams.
Cam A controls power to the timer motor
Cam B controls power to the wash motor.
Cam C is not used.
Cam D controls power to the final rinse valve.
Fill Timer —
Refer to Fig. 18.
The fill timer controls the dishwasher’s 90-second fill operation.
The timer consists of a timer motor, one micro-switch, and one
non-adjustable plastic cam. The fill timer operates during initial fill.
The fill timer also operates if main power is turned off and then
turned back on even if the dishwasher is full of water.
Figure 16
Cycle Timer
B
A
C
D
Figure 17
Cycle Timer Chart
Figure 18
Fill Timer
FILL TIME 90-SEC.
FILL TIMER
500 10 20 30 40 8060 70 90
500 10 20 30 40 8060 70 90
TRD
(TRC Not Used)
TRB
TR
TRA
0
0
10 20
10
20 40
4030
30
50
50
60 70
60
70
80
80
90
90
RINSE CYCLE CAM
WASH CYCLE CAM
HOMING CYCLE CAM
TIMER MOTOR
Wash = 45 secs.
Cycle = 60 secs.
NO
NC
NO
NC
NO
NC
Rinse = 14 secs.