DAI

Daikin P4

Medium

VRV / Sky Air — Radiating fin temperature sensor fault.

Daikin P4: Radiating fin temperature sensor fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Fin thermistor open/short.
Connector loose.

Check steps

Check fin thermistor & connector.
Check INV PCB if sensor OK.

Affected parts

Kühlkörper-Thermistor

Safety note

High voltage! Let capacitors discharge.

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.5: P4 'Malfunction of radiation fin temperature sensor' — RA/SkyAir/VRV/Package/Chiller checked. Matches.

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

Look up in Enthalio →

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