Airwell P5

Medium

P5 = protective shutdown due to excessive outdoor condenser outlet temperature (T3). (IPM / compressor-driver protection is P6, not P5.)

Airwell P5: P5 = protective shutdown due to excessive outdoor condenser outlet temperature (T3). (IPM / compressor-driver protection is P6, not P5.) This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Overload or short at compressor
Faulty IPM/inverter module
Heatsink overheating

Check steps

Measure compressor winding resistances
Check IPM module and heatsink cooling

Affected parts

Inverter-Platine (IPM)
Verdichter

Safety note

High voltage at IPM — wait for discharge.

Source: Airwell resmi servis kılavuzu — DÜZELTİLDİ: Airwell official service manual "20.AW.FWDB.18-24.R32.SM.EN.03.06" (footer: "20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01"), Fault Codes Table, page 17. Verified independently by downloading the PDF directly from the manufacturer's own host (http://lh.airwell-res.com/sites/defa…

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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Related fault codes

Communication error outdoor/indoorE0 High pressure protection via pressure switch (D3 Communication error.E6 High pressure protection (outdoor).P0 Low pressure protection.P1 Compressor overcurrent.P2