Daikin U5

High

VRV / Sky Air — Communication indoor ↔ remote controller fault.

Daikin U5: Communication indoor ↔ remote controller fault. This fault noticeably affects operation.

Possible causes

Controller cable (P1/P2) loose/faulty.
Too many/wrongly addressed controllers.

Check steps

Check P1/P2 wiring & terminals.
Check master/slave controller setting.

Affected parts

Fernbedienung
Steuerleitung

Safety note

Low voltage — work carefully.

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.5: 'U5 Malfunction of transmission between indoor unit and remote controller' — exact match, VRV applicable.

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

Look up in Enthalio →

Related fault codes

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