Daikin FVXM25A3V1B User Reference Manual page 54

9 | Troubleshooting
User reference guide
54
Malfunction
The system operates, but
cooling or heating is
insufficient.
The system operates, but
cooling or heating is
insufficient (air is NOT
blown from the unit).
The system operates, but
cooling or heating is
insufficient (air is blown
from the unit).
An abnormal function
happens during operation.
The unit does NOT receive
signals from the wireless
remote control.
The wireless remote
control display is blank or
displays .
You can check the error
code by the user interface
(wireless remote control).
Other electric appliances
start to operate.
Measure
▪ Check the airflow rate setting. Refer to
4
"6.4 Airflow rate" [ 24].
▪ Check the temperature setting. Refer to
start/stop operation mode and to set the
4
temperature" [ 23].
▪ Check if the airflow
appropriate. Refer to
▪ Check if the air inlet or outlet of the outdoor or
indoor unit is NOT blocked by obstacles. Remove
any obstacles and make sure the air can flow
freely.
▪ The air conditioner may be warming up for heating
operation. Wait for 1 to 4 minutes.
▪ The unit may be in defrost operation.
▪ Check if the air filters are clogged. Clean the air
filters. See "8 Maintenance and
▪ Check for open doors or windows. Close doors and
windows to prevent wind from coming in.
▪ Check if the unit operates in Econo operation.
Refer to "6.9.1 Econo
▪ Check if there is any furniture directly next to the
indoor unit. Move the furniture.
The air conditioner may malfunction because of
lightning or radio waves. Turn the breaker OFF and
back ON.
▪ Check the batteries of the wireless remote control.
▪ Make sure that the transmitter is NOT exposed to
direct sunlight.
▪ Check if there are any electronic starter type
fluorescent lamps in the room. Contact your
dealer.
Replace the batteries of the wireless remote control.
Consult your local dealer. Refer to
problems based on error
check error codes and for a detailed list of error
codes.
If the wireless remote control signals operate other
electric appliances, move the other appliances away,
and contact your dealer.
CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A
"6.3.1 To
direction setting
4
"6.5 Airflow direction" [
service" [ 4 46].
4
operation" [ 29].
"9.3 Solving
4
codes" [ 58] for how to
Split system air conditioners
4P625990-1D – 2022.09
is
24].