In cases where the unit will not run at all and a defective thermostat is suspected, simply by-pass the thermostat to see if the compressor…
Author: sam
1. Disconnect the power source. 2. Remove the control knob(s) by pulling it (them) off. 3. Remove the control panel. 4. Using a screwdriver (or…
(The best way to test a capacitor is to replace it with a new one of the same rating). I. TESTING CAPACITORS USING AN OHMMETER:…
Capacitors (See Fig. 65) increase the power factor and efficiency of electric motors. Voltage is accumulated on one pole and when charged to capacity, it…
The termination thermostat is clipped to the evaporator. When the evaporator temperature rises to about 50°F, the contacts within the thermostat open, causing the defrost…
A defrost limit switch is a bimetallic device that opens and closes the circuit to the evaporator defrost heater during the defrost cycles in frost-free…
1. Open the freezer door and listen for the fan motor. If the fan is not heard, or if there is any unusual noise, replace…
The function of the evaporator fan is to force cold air from the freezer compartment into the refrigerator compartment and to circulate air over the…
1. Disconnect the power supply. 2. Disconnect the fan motor wires from the unit. 3. Set the ohmmeter to the RX1 scale and zero it.…
Condenser fan motors are used to circulate air through the condenser to cool it. They are located next to the condenser (in fan-forced condenser types)…