Daikin CTXJ25TVMAW Operation Manual page 22

Malfunction
• Check if there is no power failure.
If the system does
NOT operate at all. Wait until power is restored. If a
power failure occurs during operation,
the system automatically restarts
immediately after power is restored.
• Check if the front panel is opened
during operation. Stop operation
and restart the indoor unit using the
remote controller.
• Check if no fuse has blown or circuit
breaker is activated. Change the fuse or
reset the circuit breaker if necessary.
• Check the batteries of the remote
controller.
• Check the timer setting.
The system • Check if the air inlet or outlet of the
suddenly stops outdoor or indoor unit is NOT blocked
operating. by obstacles. Remove any obstacles
and make sure the air can flow freely.
• The air conditioner may stop operating
after sudden large voltage fluctuations
to protect the system. It automatically
resumes operation after about 3 minutes.
• Are operation modes all the same
for indoor units connected to outdoor
units in the multi system?
If not, set all indoor units to the same
operation mode and confirm that the
lamps.
Moreover, when the operation
mode is in AUTO, set all indoor unit
operation modes to COOL or HEAT
for a moment and check again that the
lamps are normal. If the lamps stop
blinking after the above steps, there is
no malfunction. Refer to page 16.
The flaps do NOT start
The indoor unit is adjusting the position of
to swing immediately.
the flaps. The flaps will start moving soon.
Operation does NOT In case the ON/OFF button was pressed
start soon. right after operation was stopped or if the
mode was changed. Operation will start
after 3 minutes to protect the system.
21
Measure Malfunction
• Check the airflow rate setting. Refer to
The system
"4-3-2 Airflow rate" on page 8.
operates,but
cooling or heating is
• Check the temperature setting. Refer to
insufficient.
"4-3-1 To start/stop operation and to set
the temperature" on page 7.
• Check if the airflow direction setting
is appropriate. Refer to "4-3-3 Airflow
direction" on page 8.
• 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 "7.
Maintenance and service" on page 17.
• Check for open doors or windows.
Close doors and windows to prevent
wind from coming in.
• Check if the position setting is
appropriate for the installed position
of the unit. Refer to "3-6 To change
indoor unit position setting" on page 6.
• Check if the unit is operating without
the front panel raised. Refer to "2-1
Indoor unit" on page 3.
• Check if the unit operates in Econo or
Outdoor unit quiet operation. Refer to
"4-3-6 Econo and Outdoor unit quiet
operation" on page 10.
• Check if there is any furniture directly
under or next to the indoor unit. Move
the furniture.
• To prevent the release of cold air,
The system
operates, but air does not come out directly after
heating is insufficient operation is started. Please wait 1 to
(air is NOT blown 4 minutes.
from the unit).
• If a flowing sound is heard, the
outdoor unit may be in defrost
operation. Wait for about 4 to 12
minutes.
The front panel does
Check for the obstacles and try to open the
NOT open.
front panel using the remote controller. Refer
to "7-4 To open the front panel" on page 18.
• Check if the Weekly timer and ON/
The ON/OFF timer
does NOT operate OFF timer are set to the same time.
according to the Change or deactivate the setting.
settings. Refer to "4-5 OFF/ON timer operation"
on page 11 and "4-6 Weekly timer
operation" on page 12.
• Check if the clock and the day of the
week are set correctly. Refer to "3-3
Clock" on page 5.
Heating operation Check if the remote controller's jumper
CANNOT be J8 has NOT been cut.
selected.
An abnormal The air conditioner may malfunction
function happens because of lightning or radio waves. Turn
during operation. the circuit breaker OFF and back ON.
Measure
J8