Fault Codes / Daikin / JA

VRV / Sky Air — High pressure sensor (S1NPH) fault.

Possible causes

• Sensor open/short / drifting.
• Connector loose.

Check steps

• Check connector & sensor signal.
• Cross-check reading with gauge.

Affected parts

• Hochdrucksensor

Safety note

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.4: JA 'Malfunction of high pressure sensor' — SkyAir/VRV/Package checked (no RA/Chiller). Matches researcher's claim exactly.

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

Related fault codes