KitchenAid 2003 M, Technical Education

Page: 67 / 96

5-7
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
WATER VALVE SOLENOID
Refer to page 4-28 for the procedure for servic-
ing the water valve.
1. Unplug refrigerator or disconnect power.
2. Disconnect the wire connectors from the
water valve solenoid terminals.
3. Set the ohmmeter to the R x 1 scale.
4. Touch the ohmmeter test leads to the
terminals of the ice maker solenoid. The
meter should indicate approximately 160
to 170
Ω
.
5. Touch the ohmmeter test leads to the
terminals of the water dispenser solenoid.
The meter should indicate approximately
330 to 355
Ω
.
AIR SUPPLY THERMISTOR
Refer to page 4-20 for the procedure for servic-
ing the air supply thermistor.
1. Unplug refrigerator or disconnect power.
2. Disconnect the thermistor wire connector
from the main harness.
3. Set the ohmmeter to the R x 1K scale.
4. Insert the ohmmeter test leads into the two
connector pins of the thermistor connec-
tor.
5. Depending on the temperature, the meter
should indicate within the approximate
range, as shown in the chart below.
Ice Maker Solenoid
Water Dispenser Solenoid
TEMPERATURE RESISTANCE TEMPERATURE RESISTANCE
(
°
F)
OHMS (APPROX.)
(
°
F)
OHMS (APPROX.)
–5 41000-43600 4 5 4200-4500
0 31700-33600 50 3500-3700
5 24600-26200 55 2900-3100
10 19300-20500 60 2400-2550
15 15200-16200 65 2000-2150
20 12100-12900 70 1700-1800
25 9700-10300 75 1450-1525
30 7800-8300 80 1200-1300
32 7401 85 1050-1100
35 6300-6700 90 880-945
4 0 5200-5500