Daikin FTXJ25T2VMAW Operation Manual page 21

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.
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.
• 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 "6
Maintenance and service" on page 16.
• 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.
Measure Malfunction
The system • To prevent the release of cold air,
operates, but air does not come out directly after
operation is started. Please wait 1 to
heating is insufficient
(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 "6-4 To open the front panel" on page 17.
The ON/OFF timer • Check if the Weekly timer and ON/
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.
• Check the batteries of the remote
The unit does NOT
receive signals controller. Refer to "3-2 To insert the
from the remote batteries" on page 5.
controller.
• 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.
The remote Replace the batteries of the remote
controller display is controller.
blank.
An error code is Consult your local dealer. Refer to
displayed on the "7-2 Solving problems based on error
remote controller. codes" on page 21 for a detailed list of
error codes.
Other electric If the remote controller signals operate
appliances start to other electric appliances, move the other
operate. appliances away, and contact your dealer.
Drops of water form Check if the unit is operating without the
on the front panel front panel raised. Refer to "2-1 Indoor
unit" on page 3.
Battery power has run out. Replace both
The LCD is blinking
batteries at the same time with new size
and the remote
AAA.LR03 (alkaline) batteries. Leaving
controller cannot be
exhausted batteries in the remote
operated.
controller can result in injury due to
battery leakage, rupturing or heating, or
lead to equipment failure.(Even when the
LCD is blinking,
Unable to use the Remove the batteries for approximately
remote controller 1 minute, or remove the batteries and
after exchanging the press any button for approximately 15
batteries seconds. This may improve conditions.
Measure
J8
remains functional.)
20