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
|
| • | Inspect the suction port of the replacement compressor for presence of a suction screen. If the replacement compressor does NOT contain a suction screen, install a suction screen in the line. |
| • | Replace the desiccant or component containing the desiccant. |
| • | Replace the desiccant filter if applicable. |
| • | Remove and inspect the high pressure side filter (if applicable). |
| • | Remove, inspect, clean, or replace the orifice tube. |
| • | 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 odour with no debris present
|
| • | Replace the desiccant or component containing the desiccant. |
| • | Replace the desiccant filter if applicable. |
| • | Flush the refrigerant system. |
|
Dark brown/black and/or pungent/unusual odour with debris present
|
| • | Replace the desiccant or component containing the desiccant. |
| • | Replace the desiccant filter if applicable. |
| • | Flush the refrigerant system. |
| • | Inspect the suction port of the replacement compressor for presence of a suction screen. If the replacement compressor does NOT contain a suction screen, install a suction screen. |
| • | Remove and inspect the high pressure side filter if applicable. |
| • | Remove, inspect, clean, or replace the orifice tube. |
| • | 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 the refrigerant system.
|
Refrigerant contamination
| Flush the refrigerant system.
|
Hybrid polyester refrigerant oil (POE) contamination
|
| • | Flush the refrigerant system. |
| • | Replace the desiccant or component containing the desiccant. |
| • | Replace the desiccant filter if applicable. |
|
