Symptom: A Clapping Sound Is Heard; Symptom: White Mist Comes Out Of A Unit (Indoor Unit, Outdoor Unit); Symptom: The Units Can Give Off Odours; Symptom: The Outdoor Fan Rotates While The Air Conditioner Is Not In Operation - Daikin ATXM20A2V1B User Reference Manual

9 | Troubleshooting

9.1.6 Symptom: A clapping sound is heard

9.1.7 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)

9.1.8 Symptom: The units can give off odours

9.1.9 Symptom: The outdoor fan rotates while the air conditioner is not in operation

9.1.10 Symptom: Indoor unit fan speed does NOT correspond with the setpoint (during low
ambient cooling operation in Multi system)
9.1.11 Symptom: Airflow rate setting does NOT resume when Comfort airflow is deactivated by
ONECTA app
9.1.12 Symptom: Some operation icons are not visible on the wireless remote control, or some
functions cannot be activated in the ONECTA app

9.1.13 Symptom: In ONECTA app, powerful operation is NOT indicated as active

User reference guide
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This sound is generated when an external device sucks air out of the room (e.g.
exhaust fan, extractor hood) while the doors and windows in the room are closed.
Open the doors or windows, or turn off the device.
When the system is changed over to heating operation after defrost operation.
Moisture generated by defrost becomes steam and is exhausted.
The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it
again.
▪ After operation has stopped. The outdoor fan continues to rotate for another
30 seconds for system protection.
▪ While the air conditioner is not in operation. When the outdoor temperature is
very high, the outdoor fan starts to rotate for system protection.
▪ During low ambient cooling operation in Multi system, indoor unit may change
fan speed to high regardless of the user setting to defrost the indoor unit heat
exchanger.
If Comfort airflow operation is deactivated by ONECTA app, the airflow rate does
NOT return to previous airflow rate setting, and indoor unit operates in automatic
airflow rate.
Some combinations of features are not permitted (example: Fan only mode and
Outdoor unit quiet operation). This features may display at the ONECTA app, but
function CANNOT be activated.
When the powerful operation is activated while indoor unit is OFF, the powerful
operation may not be displayed as active for 2 minutes until the cloud data are
updated.
ATXM-A
Daikin room air conditioner
4P518786-13K – 2023.06