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Measuring Resistances From The Front Of Shu 33 Dishwashers - Bosch SHI 4302 Troubleshooting Tips

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Measuring resistances from the front
Control Module -- I2
I2.
.4
8
7
6
5
NOTE:
Symbols (“WH-a1-5”) refer to wire
colors and terminal/part symbols. See schematic
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 0-A
of SHU 33 dishwashers
.6
4
3
2
1
2
1
measure water
level switch
(open circuit)
measure
circulation
motor
(~10 W)
.7
1 2
.2
2 1
2
measure
dispenser
actuator
(~2150 W)
measure
drain
motor
(~16.5 W)
HINT: Water valve and drain motor can be
measured from front of dishwasher without
accessing control module wire harnesses.
Resistances are:
n
n
.1
.5
1
7
6
5
4
measure
NTC
(~ 55 kW
@ 72ºF)
to neutral
Water valve ~ 1 k
W
Drain motor ~ 16.5
Thursday, March 2, 2000
B
.8
3
2
1
W

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