Air Conditioning Compressor Oil Diagnosis
|
|
Air Conditioning Compressor Oil Diagnosis
|
|
Condition
|
Corrective Action
|
|
Note
|
|
To avoid repeat compressor failure, always inspect the condition of the refrigerant oil and take the appropriate corrective action before installing the replacement compressor.
|
|
Clean Oil no debris present
|
No corrective action necessary.
|
Clean Oil with debris present
|
|
•
|
Replace desiccant or component containing the desiccant.
|
|
•
|
Replace desiccant filter if applicable.
|
|
•
|
Remove and inspect high pressure side filter (if applicable).
|
|
•
|
Remove, inspect, clean, or replace orifice tube (if applicable).
|
|
•
|
If the system has a front orifice tube and is equipped with a filter in the rear auxiliary line, remove, inspect, clean, or replace the filter.
|
|
Dark brown/black and/or pungent/unusual odor with no debris present
|
|
•
|
Replace desiccant or component containing the desiccant.
|
|
•
|
Replace desiccant filter if applicable.
|
|
•
|
Flush refrigerant system.
|
|
Dark brown/black and/or pungent/unusual odor with debris present
|
|
•
|
Replace desiccant or component containing the desiccant.
|
|
•
|
Replace desiccant filter if applicable.
|
|
•
|
Flush refrigerant system.
|
|
•
|
Remove and inspect high pressure side filter (if applicable).
|
|
•
|
Remove, inspect, clean, or replace orifice tube (if applicable).
|
|
•
|
If the system has a front orifice tube and is equipped with a filter in the rear auxiliary line, remove, inspect, clean, or replace the filter.
|
|
Oil Overcharge
|
Flush refrigerant system.
|
Refrigerant Contamination
|
Flush refrigerant system.
|
Hybrid Polyolester Refrigerant Oil (POE) Contamination
|
|
•
|
Flush refrigerant system.
|
|
•
|
Replace desiccant or component containing the desiccant.
|
|
•
|
Replace desiccant filter if applicable.
|
|
