Fault Codes / Airwell / d9

VRF Engineering Manual — High pressure sensor fault.

Possible causes

• Sensor faulty or wiring broken.

Check steps

• Measure sensor resistance, check wiring.

Affected parts

• Hochdrucksensor

Safety note

Source: Airwell VRF Series Air Conditioner Engineering Manual, "Fault And Protection Code List" p.301 (ManualsLib scan of official manual)

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

Related fault codes