Whirlpool WRID41TW Service Manual page 13

1. Defrost Sensor mounted on the Evaporator tube.
2. Removing/Replacing the Defrost Sensor
Defrost Temperature Sensor – NTC
It's located at the freezer compartment, along with the Evaporator. The Defrost Sensor is responsible
for sending signals to the electronic control, which will command the ending of the defrost, turning off
the Defrost Heater,
This does a similar function to the well-known Defrost Bimetal
Never change the position of such Sensors, as their functional characteristics can be
modified. This sensor also informs the temperature conditions of the Evaporator when
the product is activated (plugged in electricity) indicating to the Electronic Control the
correct start up to be followed, for instance, manufacturing ,default or the previous
programming done by the user, compressor delay , etc.
These Sensors (refrigerator & Defrost) Are Compatible with Each Other, but
Are not compatible with the Sensors of the previous Model (SYMPHONY)
NEVER replace these Sensors with the Sensor Kit used in the Symphony model.
In the need of replacing one of the Temperature Sensors, Replace the full RC/FC Sensor harness (In
these model FC Sensor harness is replaceable). Directly replace the relevant RC or FC Sensor
harness. Do not try to repair the harness for the faulty Thermistor.
IMPORTANT
WARNING
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