REFRIGERATOR COMPRESSOR
1. Be careful not to allow over-voltage and over-current.
2. Do not drop the OLP or handle it carelessly.
3. Keep the OLP dry. If liquid (oil or water) enters the PTC, its components
may fail due to breakdown of their insulating capabilities.
4. If the exterior of the PTC is damaged, the resistance value may be altered.
This can cause damage to the compressor and result in a no-start or hard-
to-start condition.
5. Always use the PTC designed for the compressor and make sure it is
properly attached to the compressor. Parts may appear physically
identical but could have different electrical ratings. Replace parts by part
number and model number. Using an incorrect part could result in
damage to the product, fire, injury, or death.
OVERLOAD PROTECTOR (OLP)
The OLP (OVERLOAD PROTECTOR) is attached to the compressor and
protects the motor by opening the circuit to the motor if the temperature rises and
activates the bimetal spring in the OLP. When high current flows to the
compressor motor, the heater inside the OLP caused the bimetal spring to trip,
protecting the motor by cutting off the current flowing to the compressor motor.
The OLP is attached to the sealed compressor used for the refrigerator. It
prevents the motor coil from being started in the compressor. For normal
operation of the OLP, do not turn the adjustment screw.
1. Remove the back cover of the
mechanical area.
2. Use a flat screwdriver to pry off
the cover.
3. Replace the parts as necessary.
4 Reassembly is the reverse of
these steps.
LFX21960ST/LFX25960xx Page 33 of 75 TRAINING MANUAL
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