Daikin Perfera CTXM-R User Reference Manual page 51

CTXM15+FTXM20~42R5V1B + CTXM15+FTXM20~71R2V1B
Daikin room air conditioner
4P518786-5F – 2020.06
Malfunction
Operation does NOT start
soon.
The system operates, but
cooling or heating is
insufficient.
The system operates, but
heating is insufficient (air is
NOT blown from the unit).
The ON/OFF timer does
NOT operate according to
the settings.
Cooling operation CANNOT
be selected.
An abnormal function
happens during operation.
The unit does NOT receive
signals from the user
interface.
Measure
In case the ON/OFF button was pressed right after
operation was stopped or if the mode was changed.
Operation will start after 3 minutes to protect the
system.
▪ Check the airflow rate setting. Refer to
4
"6.4 Airflow rate" [ 23].
▪ Check the temperature setting. Refer to
start/stop operation mode and to set the
4
temperature" [ 22].
▪ 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.
▪ 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 or Outdoor
unit quiet operation. Refer to
Outdoor unit quiet operation" [
▪ Check if there is any furniture directly under or
next to the indoor unit. Move the furniture.
▪ The air conditioner may be warming up for heating
operation. Wait for 1 to 4 minutes.
▪ If a flowing sound is heard, the outdoor unit may
be in defrost operation. Wait for 4 to 12 minutes.
▪ Check if the Weekly timer and ON/OFF timer are
set to the same time. Change or deactivate the
setting. Refer to
4
operation" [ 29] and
4
operation" [ 30].
▪ Check if the clock and the day of the week are set
correctly. Refer to "5.4 About the
Check if your system is NOT heating only version.
The air conditioner may malfunction because of
lightning or radio waves. Turn the breaker OFF and
back ON.
▪ Check the batteries of the user interface. Refer to
"5.2 To insert the batteries" [
▪ 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.
9 Troubleshooting
|
"6.3.1 To
direction setting
4
"6.5 Airflow direction" [
4
service" [ 43].
"6.8 Econo and
4
27].
"6.10 OFF/ON
"6.11 Weekly timer
4
clock" [ 18].
4
17].
User reference guide
is
23].
timer
51