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Measuring Resistances From The Front Of Shu 303X Dishwashers - Bosch SHI 4302 Troubleshooting Tips

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B
Measuring resistances from the front
to thermostats
f3 & f4
to water level
switch & inlet
valve
measure
circulation
motor
(~10 W)
NOTE:
Symbols (“WH-I6-3”) refer to wire
colors and terminal/part symbols. See schematic
diagram # 62 for terminal/part symbols. Wire
colors: WH = white, WHRD = white/red, WHVT
= white/violet, BU = blue, GYBK = gray/black,
BK = black, GYRD = gray/red, GY = gray, GN =
green, RD = red, VT = violet, YE = yellow.
1st Edition/Revision 0-A
of SHU 303x dishwashers
5b
5a
to float switch
6b
6a
to flow switch
to hot line
measure
measure
drain
detergent
motor
actuator
(~16.5 W)
(~2150 W)
Timer -- u
3b
3a
5
3
2b
4b
4a
2a
6
4
2
1
Timer motor m1
see circuit /
schematic
diagram # 62
for b1 & b3
HINT: Water valve and drain motor can be
measured from front of dishwasher without
accessing timer wire harnesses. Resis-
tances are:
n
n
to flow switch
M
~
Water valve ~ 1 k
Drain motor ~ 16.5
Monday, March 6, 2000
Page A-4
to neutral
W
W

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