Fault Codes / Daikin / A3

VRV / Sky Air — Drain level / float switch activated.

Possible causes

• Drain pump faulty / drain clogged.
• Float switch faulty / stuck.

Check steps

• Check/clean drain & pump.
• Check float switch & wiring.

Affected parts

• Kondensatpumpe
• Schwimmerschalter

Safety note

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.3: 'A3 Drain Level Control System Abnormality — Drain clogging, upward slope, etc., Defective drain pump, Defective float switch or short circuit connector.'

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

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