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Thermo-
stat
Evaporator Thermostat
The defrost heater is controlled by the evaporator
thermistor and normally turns off at 70°F. If the
evaporator thermistor fails, the evaporator
thermostat will turn off the defrost heater at 140°F
and will reset at 110°F.
The evaporator thermostat is located on the top,
left side of the evaporator behind the back panel of
the freezer compartment.
To access the thermostat, remove the drawers,
shelves, and icemaker (if installed) from the
freezer compartment. Remove the back panel.
When replacing the thermostat, cut the thermostat
wires and splice the new thermostat using bell
connectors as shown. Always use RTV102
silicone sealant to seal the end of the connector
from moisture.
The thermostat is held in place by a spring tab. To
remove it, squeeze the tab.
Note: The resistance of the thermostat and defrost
heater can be taken by removing the access panel
located in the upper left section of the evaporator
cover. Remove the screw and pull the cover
forward to expose the two-wire connector. Unplug
the connector and read the resistance between the
two terminals. Since the thermostat and heater are
in series, the reading should be approximately
32 Ω.
Shown with Back Panel Removed
Screw
Connector
Ta b
Thermostat
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