Fault Codes / Airwell / A3

VRF Engineering Manual — Indoor unit EEPROM fault 2.

Possible causes

• EEPROM chip faulty or indoor main board faulty.

Check steps

• Restart power; if it persists, replace the main board.

Affected parts

• Inneneinheit-Hauptplatine

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.

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