Error code reference

Daikin Air Conditioner Error Code F3

Discharge pipe temperature abnormality - temperature rises to 135°C (275°F) or above, or 120°C (248°F) for 10 successive minutes.

SourceDaikin Air Conditioner - Service Manual: RMXS-L Series Multi-Splitp. 235

Diagnostic procedure

The full F3 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Connect service checker, press reset and restart; check discharge pipe thermistor.

SourceDaikin Air Conditioner - Service Manual: RMXS-L Series Multi-Splitp. 235

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

2 manuals in the MyPros+ library document this code for Daikin air conditioner.

Models covered by the manuals that document this code

More models are covered than are listed here.

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