ErrorCodeDoctor
Daikin · Air Conditioner

Daikin Air Conditioner P2 error code

Difficulty: Medium · Cost: $0–$200 · Duration: 5m

The P2 error means the automatic refrigerant charging operation stopped. This is commonly caused by the stop valve on the refrigerant piping not being opened, or the refrigerant tank valve being closed. Check that all stop valves are fully open before contacting a qualified technician.

Common causes

  • Stop valve on the refrigerant piping is not opened
  • Valve on the refrigerant tank is closed

How to fix it

  1. 1

    Check that all refrigerant stop valves on the outdoor unit are fully open

  2. 2

    Check that the refrigerant tank valve is open

  3. 3

    If valves are open and the error persists contact a qualified technician

Related Daikin Air Conditioner error codes

1

A0

An external protection device connected to the indoor unit has been activated

hard
2

A1

A fault was detected in the indoor unit PCB (control board)

hard
3

A3

The drain level control system has detected an abnormality — drain may be clogged

medium
4

A5

Freeze-up protection (cooling) or high pressure control (heating) has activated — check the air filter

easy