ErrorCodeDoctor
Daikin Air Conditioner P2 error code
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
Check that all refrigerant stop valves on the outdoor unit are fully open
-
2
Check that the refrigerant tank valve is open
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3
If valves are open and the error persists contact a qualified technician
Related Daikin Air Conditioner error codes
A0
An external protection device connected to the indoor unit has been activated
A1
A fault was detected in the indoor unit PCB (control board)
A3
The drain level control system has detected an abnormality — drain may be clogged
A5
Freeze-up protection (cooling) or high pressure control (heating) has activated — check the air filter
P2 error — frequently asked questions
What does the P2 error mean on a Daikin air conditioner?
The automatic refrigerant charge operation stopped — stop valve may be closed
What causes the P2 error?
The P2 error is usually caused by: Stop valve on the refrigerant piping is not opened; Valve on the refrigerant tank is closed.
Can I fix the P2 error myself?
It's possible for a moderately handy person, but budget 5m and expect some disassembly.
How much does it cost to fix the P2 error?
Fixing the P2 error on a Daikin air conditioner typically costs $0–$200, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the P2 error?
In most cases yes, but it's best to address the P2 error soon — see the fix steps below to resolve it.