ErrorCodeDoctor
Daikin Air Conditioner MA error code
The MA error means your Daikin air conditioner system detected an improper combination of optional controllers for centralized control. This can be caused by more than one master controller being connected, a faulty setting, or a defect in the centralized control system. Contact a qualified technician.
Common causes
- Improper combination of optional controllers
- More than one master controller is connected
- Faulty setting of centralized control
- Defect of centralized control equipment
How to fix it
-
1
Contact a qualified technician to inspect the centralized control configuration and correct the combination setting
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
MA error — frequently asked questions
What does the MA error mean on a Daikin air conditioner?
An improper combination of optional centralized controllers was detected
What causes the MA error?
The MA error is usually caused by: Improper combination of optional controllers; More than one master controller is connected; Faulty setting of centralized control; Defect of centralized control equipment.
Can I fix the MA 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 MA error?
Fixing the MA error on a Daikin air conditioner typically costs $80–$300, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the MA error?
We'd recommend addressing the MA error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.