■ Check the settings on the thermostat. Is unit turned on and is the temperature high enough to be calling for the unit to operate.…
Category: Domestic refrigerators and freezers troubleshooting
■ Use ohmmeter first to check unit continuity ground. In checking for a ground in either section, power supply disconnects should be open. This prevents…
■ Turn unit off immediately so it can defrost. Insufficent air passing through evaporator coil—Check for restriction, dirty evaporator coil, or filter. ■ After the…
The first thing you must establish in changing a compressor was the nature of the failure. Of course if it was a mechanical problem such…
This can present a problem due to the automatic reset controls found on most residential and light commercial units. During a malfunction, a control opens…
There are times when everything appears to be operating according to all specifications, yet, insufficient cooling is the complaint. Heat strips energizing with cooling-Check the…
■ Check condensing unit to see if it is operating. Place one hand on the liquid line and the other on suction line. If the…
The modern domestic absorption refrigerator or ‘gas refrigerator’ operates on the principle of using heat to produce cold. It employs a mixture of hydrogen and…
Domestic refrigerators and freezers operate with very small refrigerant charges, and the charge must be administered accurately. This can be best achieved by using a…
The diagnosis of electrical faults on components and compressors has already been dealt with in previous articles. The following procedure may be carried out to…