Fault Codes / Daikin / H3

High

VRV / Sky Air — High pressure switch (HPS) itself faulty.

Possible causes

• HP switch open/permanently tripped.
• Wiring/connector faulty.

Check steps

• Check HP switch (continuity when depressurized).
• Check wiring to PCB.

Affected parts

• Druckschalter (HP)

Safety note

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.3: H3 'Malfunction of high pressure switch (HPS)' — RA/SkyAir/VRV/Package/Chiller all checked. Matches index.html exactly.

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

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