Question about Refrigerators
Before doing any work on a refrigerator or freezer, make sure it's unplugged. After unplugging the unit, check to see if the motor/compressor has a capacitor; this component is located in a housing on the top of the motor. Capacitors store electricity, even when the power to the unit is turned off. Before you do any work on a capacitor-type refrigerator or freezer, you must discharge the capacitor, or you could receive a severe shock
First of all please check the power cord, plug and outlet. Then check for any blown fuses or tripped circuit breakers at main entrance panel; restore circuit. Set controls properly. If no result, test controls; if faulty, replace them. If any fuse is blown due to overload on circuit, then put it on a different circuit. Then un plug the refrigerator. Please check the cord of the unit, if it looks frayed, or if you see burn marks on the prongs of the plug or at the terminal screws -- on the terminal block, under the rear access panel of the unit -- the cord may be faulty and replace it.
And now to gain access to the capacitor, remove the service panel over the back rear portion of the unit or the service panel on the front of the unit below the door. The capacitor is located in a housing on the top of the motor/compressor unit; it looks like a large dry cell battery.
Now to discharge the capacitor, use a 20,000-ohm, 2-watt resistor -- an inexpensive wire unit available at most electrical supply stores. Fasten the probes of the resistor to the terminals of the capacitor; this discharges the capacitor. If the capacitor has three terminal posts, connect the resistor to one outer terminal and the center terminal, then to the other outside terminal and the center terminal. After discharging the capacitor, you can proceed with the repairs.
Also check that the ice maker has been turned off. To check this look for a wire along the right side of the ice maker that looks a bit like a coat hanger. If this wire is in the raised position, the ice maker is turned off. On some units you simply lower the wire to the down position to turn the ice maker on. On others, you lower a small red plastic lever to lower the wire. If the wire is in the proper position check the freezer temperature, it should be between 0-8 degrees Fahranheit. If it is warmer than 10-12 degrees, the ice maker may not produce any ice. Check your door seals and thermostat and repair/replace as necessary
This component is a heating element located on the evaporator coil. When the refrigerator or freezer switches to the defrost cycle, the defrost heater is turned on to melt the frost in the compartment. Failure of the defrost heater causes failure to defrost.
To solve the problem of defrosting please test the element with a VOM set to the RX1 scale. To gain access to the heating element, remove the compartment's wall panels. Clip one probe of the VOM to each element terminal. The meter should read between 5 and 20 ohms. If it doesn't, the heating element is faulty and should be replaced. Replace the heater with a new one of the same type and electrical rating. Connect the new heater the same way the old one was connected.
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Posted on Apr 13, 2009
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Posted on Jan 02, 2017
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