What It Means
Heat exchanger freezing protection during automatic refrigerant charging.
Daikin Packaged Unit
Daikin Packaged Unit Error Code P8
Troubleshooting guide for the Daikin Packaged Unit system fault P8.
Possible Causes
- (Close the refrigerant cylinder.
- Start again from step 1.).
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.
New to this code? Click to see why this happens
Full Diagnosis
Heat exchanger freezing protection during automatic refrigerant charging
All Recorded Causes
(Close the refrigerant cylinder. Start again from step 1.)
Verify Before Replacing Parts
- Confirm the exact Daikin model family and packaged context before acting on a generic code description.
- Verify airflow first, then confirm operating pressures and temperature relationship before adjusting charge, since (Close the refrigerant cylinder.
- Look for restrictions, iced coils, or dirty heat-transfer surfaces that can mimic a charge problem, and separately confirm start again from step 1.).
- After the correction, run the system long enough to confirm the packaged fault does not return under normal load.
Still unsure about this fault?
ACLogics walks you through Daikin Packaged Unit diagnostics step-by-step — so you confirm the cause before swapping parts.
