A3
Daikin
Daikin air conditioner error A3
Meaning
High water level
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Malfunction of drain level system
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Drain Level Control System Abnormality
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Drain pump abnormal
Models
FTXN-LV1B9, RXN-LV1B9
Causes and how to check
- 3 possible causes
- the repair procedure printed in the service manual
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table.