What It Means
Compressor motor electrical overcurrent protection trip.
York All Systems
York Error Code P8
Troubleshooting guide for the York system fault P8.
Possible Causes
- High refrigerant head pressure or compressor overload.
- Low line voltage causing high motor amperage draw.
- Failing compressor motor windings or mechanical stiffness.
Not sure which one it is — or if it's none of these? Try ACLogics today.
Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.
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Full Diagnosis
Compressor Over-current.
All Recorded Causes
Verify Before Replacing Parts
- Confirm the exact York model family and default context before acting on a generic code description.
- Verify current draw, overload status, and control signal before condemning the compressor or drive, given that the most likely cause listed above.
- Look for upstream conditions such as airflow or charge issues that may be pushing the compressor into protection, and check the next candidate on the list.
- After the correction, run the system long enough to confirm the default fault does not return under normal load.
Not sure which system this York code is on?
ACLogics has guided diagnostics for 60 York fault codes and asks the right questions to narrow it down.
