ErrorCodeDoctor
Daikin Air Conditioner E8 error code
The E8 error means your Daikin air conditioner detected an overcurrent fault in the inverter compressor circuit. This can be caused by a defective compressor, a defective inverter main circuit capacitor, a defective outdoor unit PCB, or a defective power transistor. Contact a qualified technician urgently.
Common causes
- Defective compressor
- Defective inverter main circuit capacitor
- Defective outdoor unit PCB
- Defective power transistor
How to fix it
-
1
Contact a qualified technician urgently to inspect the compressor and inverter circuit
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
E8 error — frequently asked questions
What does the E8 error mean on a Daikin air conditioner?
The inverter compressor has an overcurrent fault
What causes the E8 error?
The E8 error is usually caused by: Defective compressor; Defective inverter main circuit capacitor; Defective outdoor unit PCB; Defective power transistor.
Can I fix the E8 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 E8 error?
Fixing the E8 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 E8 error?
We'd recommend addressing the E8 error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.