Refrigerator Troubleshooting Diagram

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Category: Refrigerator Troubleshooting

Refrigerator service diagnosis and repairs

Refrigerator Excessive Operating Head Pressure

Posted on November 8, 2009 by sam

This condition is probably more common than faults causing low suction pressures, especially during the summer months when ambient temperatures are higher. Causes and corresponding…

Refrigerator service diagnosis and repairs

Removing Refrigerator Compressor Rotary Shaft Seal

Posted on November 8, 2009 by sam

Most smaller open drive and some direct drive semi-hermetic compressors employ this type of crankshaft seal. They are often a cause of noise complaints (squeaking)…

Refrigerator service diagnosis and repairs

Removing Refrigerator Compressor Valve Plate Assembly

Posted on November 8, 2009 by sam

On most compressors this will be a relatively simple task, but the procedure will differ with compressor design. The following is the procedure for a…

Refrigerator service diagnosis and repairs

Refrigerator Compressor Efficiency Test

Posted on November 8, 2009 by sam

This is also referred to as a compressor pump test. It is carried out when the functions of the compressor suction and discharge valves are…

Refrigerator service diagnosis and repairs

Moisture in Refrigerator

Posted on November 8, 2009 by sam

When a system pipework is opened to atmosphere during a replacement operation, it is possible that air will enter the system. Air contains moisture, and…

Refrigerator service diagnosis and repairs

Replacing Refrigerator Filter Drier

Posted on November 8, 2009 by sam

Assuming the restriction in the drier is only partial, and that a low pressure cut-out control is in circuit, the following procedure should be adopted:…

Refrigerator service diagnosis and repairs

Refrigerator Pressure Drop

Posted on November 8, 2009 by sam

If an internal equalizing expansion valve is substituted with an external equalizing valve, an additional connection must be provided for the external equalizing capillary. The…

Refrigerator service diagnosis and repairs

Refrigerator Thermal Charge Complete Loss

Posted on November 8, 2009 by sam

When this condition exists there is effectively a total blockage in the high side of the system (liquid line). The pressure in the low side…

Refrigerator service diagnosis and repairs

Replacing Refrigerator Thermostatic Expansion Valve

Posted on November 8, 2009 by sam

There are a number of reasons for replacing an expansion valve: 1. Mechanical failure of the valve: possible seizure of the valve stem carriage; worn…

Refrigerator service diagnosis and repairs

Refrigerator Distributor Refrigerant Control

Posted on November 8, 2009 by sam

Some commercial evaporators are designed with series-parallel and parallel tubing circuits, which means that they have more than one refrigerant circuit. Refrigerant from a single…

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