B A
Measuring resistances from the front
of SHU 33 dishwashers
Page A-3
HINT: Water valve and drain motor can be
measured from front of dishwasher without
accessing control module wire harnesses.
Resistances are:
n Water valve ~ 1 kW
n Drain motor ~ 16.5 W
Control Module -- I2
.1
.2.6
.7
.5
.4
.8
3
4
5126
12
2
1
86
4
7
53
I2.
1 7
2
12
12
RD-I6-1
BU-I6-7
BU-I6-6
YE-A2
BU-I6-4
BU-I6-5
GYBK-a1-3
measure water
level switch
(open circuit)
to hot line
to heater, Hi-Limit & flow switch
WH-a1-5
WHRD-a1-1
BU-I6-8
BU-I6-9
BU-a1-6
measure
NTC
(~ 55 kW
@ 72ºF)
measure
dispenser
actuator
(~2150 W)
to water valve & float switch
measure
circulation
motor
(~10 W)
measure
drain
motor
(~16.5 W)
YE-A2
to neutral
resets control module
& starts test program
NOTE: Symbols (WH-a1-5) refer to wire
colors and terminal/part symbols. See
circuit
diagram # 60 for terminal/part symbols. Wire
colors: WH = white, WHRD = white/red, BU =
blue, GYBK = gray/black, RD = red, YE =
yellow.
1st Edition/Revision 1 Tuesday, August 8, 2000
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