Fault Codes / Daikin / J7

Medium

VRV / Sky Air — Subcooling heat exchanger liquid thermistor fault.

Possible causes

• Thermistor open/short.
• Connector loose.

Check steps

• Check connector on outdoor PCB.
• Check thermistor resistance per service manual.

Affected parts

• Unterkühlungs-Thermistor

Safety note

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — SM-TS3 p.4: 'J7 Malfunction of thermistor (Refrigerant circuit) — Defective connection of thermistor, Defective liquid pipe thermistor, Defective outdoor unit PCB' — matches liquid pipe thermistor cause.

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

Look up in Enthalio →

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