What It Means
Automatic refrigerant charge operation stop.
Daikin Chiller
Daikin Chiller Error Code P2
Troubleshooting guide for the Daikin Chiller system fault P2.
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Possible Causes
- The stop valve is not opened.
- Closed valve of refrigerant tank.
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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
Automatic refrigerant charge operation stop
All Recorded Causes
The stop valve is not opened Closed valve of refrigerant tank
Verify Before Replacing Parts
- Confirm the exact Daikin model family and chiller context before acting on a generic code description.
- Verify airflow first, then confirm operating pressures and temperature relationship before adjusting charge, since the stop valve is not opened.
- Look for restrictions, iced coils, or dirty heat-transfer surfaces that can mimic a charge problem, and separately confirm closed valve of refrigerant tank.
- After the correction, run the system long enough to confirm the chiller fault does not return under normal load.
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