ErrorCodeDoctor
Daikin Air Conditioner LA error code
The LA error means your Daikin air conditioner detected a fault with the power transistor in the outdoor unit. This can be caused by a defective power transistor, a defective compressor, or a defective inverter PCB. Contact a qualified technician.
Common causes
- Defective power transistor
- Defective compressor
- Defective inverter PCB
How to fix it
-
1
Contact a qualified technician to inspect and replace the power transistor
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
LA error — frequently asked questions
What does the LA error mean on a Daikin air conditioner?
The power transistor has a fault
What causes the LA error?
The LA error is usually caused by: Defective power transistor; Defective compressor; Defective inverter PCB.
Can I fix the LA error myself?
This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.
How much does it cost to fix the LA error?
Fixing the LA error on a Daikin air conditioner typically costs $150–$500, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the LA error?
We'd recommend addressing the LA error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.