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I have a westinghouse refrigerator which is running constantly. I think the thermostat is faulty. How can I test this theory?

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  • Anonymous Mar 03, 2009

    Hi Eric, the fridge is a Westinghouse Moist Cold Refrigerator, model RE391K.
    The compressor doesn't stop running, even after the fridge has reached temperature. I have turned the thermostat control to the lowest (warmest) setting but this doesn't stop the compressor running.

    How can I test if it is the termostat is the problem?

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    Please supply your brand and model number so I can see your unit as you do and offer assistance.



    Waiting to hear from you,

    Eric Campion

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Make sure there is no excessive ice build up in the cooling area (evaporator), if possible do a manual defrost. Set the thermostat to the warmest setting and run the unit. The compressor should cycle within around two hours. If not, I would replace the thermostat

Posted on Mar 05, 2009

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Hotpoint FFA80 Freezer Fan stopped working


This information may help you - it could be the fan motor itself by the way.

Servicing the Thermostat Control
how-to-repair-a-refrigerator-2.jpg
©2006 Publications International, Ltd.
Thermostat controls regulate the temperature of the refrigerator
and freezer. Remove the control panel to reach the controls.


The thermostat control is usually mounted inside the refrigerator. Its visible control knob is turned to regulate the refrigerator/freezer temperature. The workability of this control can be tested in various ways, depending on the problem. To test the thermostat control:

Step 1:
If the compressor runs all the time, turn the control knob to the OFF position. If the compressor still runs, unplug the unit, then pull off the control knob and remove the screws holding the thermostat in place. Pull out the thermostat and remove either the red or the blue wire from its terminal. Plug in the unit. If the compressor doesn't run, the thermostat is faulty. Replace it with a new thermostat.

Step 2:
If the compressor runs after the wire is removed from its terminal, there is probably a short circuit somewhere in the unit's wiring. In this case, don't try to fix the problem yourself; call a professional service person.

Step 3:
If the refrigerator or freezer runs but the box doesn't cool, unplug the unit and remove the thermostat with a screwdriver. Disconnect both wires from the thermostat. Tape the ends of the wires together with electrical tape, and plug in the appliance. If the refrigerator starts and runs normally, the thermostat is faulty. Replace it with a new one of the same type. Connect the new thermostat the same way the old one was connected.

Step 4:
If the freezer compartment is normal but the refrigerator box doesn't cool, set the dials that control both compartments to mid-range. Remove these knobs (they're usually friction-fit). Then unscrew the temperature control housing; you'll see an air duct near the control. Replace the knob on the freezer thermostat and turn the control to the OFF position. Open the refrigerator door and look closely at the air duct. If this duct doesn't open wider in about ten minutes, the control is faulty. Replace the control with a new one of the same type. Connect the new control the same way the old one was connected.

Servicing the Evaporator Fan

In some cases, a faulty thermostat may not be the cause of a warm refrigerator or freezer. A warm box may also be caused by a defective fan, a blocked fan, or broken or bent fan blades. If the blades are jammed, try to free them. If they're bent, straighten them with pliers. If this doesn't solve the problem, call a professional service person.

On some refrigerators, the door switch operates the evaporator fan. If the fan seems to be malfunctioning, the door switch could be faulty. Test the switch as detailed in the last page, and replace it if necessary

May 09, 2009 | Hotpoint FFA80 Bottom Freezer Refrigerator

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