Daikin Air Conditioner L8 error code
The L8 error means your Daikin air conditioner detected that the inverter compressor is drawing excessive current — the compressor is overloaded. This is a serious fault that can damage the compressor if left unaddressed. Contact a qualified technician urgently.
Common causes
- Compressor is overloaded
- Wiring disconnection in the compressor coil
- Compressor wiring is disconnected
- Inverter PCB has malfunctioned
How to fix it
-
1
Contact a qualified technician urgently to inspect the compressor and inverter system
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
L8 error — frequently asked questions
What does the L8 error mean on a Daikin air conditioner?
The inverter compressor is drawing excessive current
What causes the L8 error?
The L8 error is usually caused by: Compressor is overloaded; Wiring disconnection in the compressor coil; Compressor wiring is disconnected; Inverter PCB has malfunctioned.
Can I fix the L8 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 L8 error?
Fixing the L8 error on a Daikin air conditioner typically costs $300–$1500, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the L8 error?
We'd recommend addressing the L8 error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.