Fault Codes / Daikin / E9

High

VRV / Sky Air — Electronic expansion valve (outdoor) fault.

Possible causes

• EXV coil (Y1E…) faulty / connector loose.
• Valve stuck.

Check steps

• Check EXV coil (resistance) & connector on outdoor PCB.
• Check initialisation/operation.

Affected parts

• Expansionsventil-Spule (EXV)

Safety note

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.3: E9 'Malfunction of electronic expansion valve coil' — object columns show RA/SkyAir/VRV/Package all checked. Matches index.html.

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

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