Thermistor Tips - LG LMX21981 Series Training Manual

LMX21981xx
DEFROST CONTROL ASSEMBLY, continued

THERMISTOR TIPS

• The icemaker cycles at 16° F.
• The ice room fan cycles on at +6° F and off at +2° F.
• The defrost cycle terminates at 46° F (8° C)
• There is no defrost cycle if the internal temperatures are above 46° F.
If a sensor fails:
• The refrigerator sensor cycles the damper and evaporator fan every fifteen
minutes while the error code Er rS is displayed.
• The freezer sensor cycles the compressor, evaporator fan motor, and condenser
fan motor every fifteen minutes while the error code Er FS is displayed.
• The ice room sensor cycles the ice room fan every fifteen minutes while the error
code Er IS is displayed.
• The ice sensor will NOT cycle the icemaker.
• The defrost cycle terminates after one hour. After displaying the error code Er dH,
the cooling operation resumes.
• Error codes are cleared immediately upon the completion of repairs.
LMX21981xx
The orange leads go to the defrost sensor
on CONNECTOR 6.
Using your ohmmeter, read the resistance
of the sensor to determine the
temperature.
In this example, 60.5 kΩ indicates 5° F.
(See thermistor chart, page 74.)
Page 51
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