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Measuring Resistances From The Front Of Shu/Shi 43/53/68 Dishwashers - Bosch SHI 4302 Troubleshooting Tips

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Measuring resistances from the front
of SHU/SHI 43/53/68 dishwashers
I2.
.1
.2
1
3 2
2
1
measure
dispenser
actuator
(~2150 W)
to neutral
line
1st Edition/Revision 2-A
.4
7
6
5
4 3 2
8
measure
top rack
only
actuator
(SHU/I 68--
only)
(~2150 W)
measure
water
level
switch
(open
circuit)
measure
circulation
motor
(~10 W)
measure
drain
motor
(~16.5 W)
.7
1
2
.8
1
measure rinse
agent sensor
(SHU/I 53/68)
(~.4 W)
NOTE:
Symbols (“WH-I6-3”) refer to wire
colors and terminal/part symbols. See schematic
diagram # 36 for terminal/part symbols. Wire
colors: WH = white, BK = black, WHRD = white/
red, BU = blue, GYBK = gray/black, RD = red,
YE = yellow, BN = brown.
HINT: Water valve and drain motor can be
measured from front of dishwasher without
accessing control module wire harnesses.
Resistances are:
n
n
Control Module -- I2
.5
.6
2
1
7 6
5
4
3
2
measure
NTC
(~ 55 kW @
72ºF )
Water valve ~ 1 k
W
Drain motor ~ 16.5
Thursday, March 2, 2000
B
.9
1
X1
(SHU/I
43/53)
W

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