Instruction manual

English 9
WARNING
When the air conditioner is in abnormal con-
ditions (smell of something burning, etc),
unplug the power cord from the outlet, and
contact your dealer
Continued operation under such circumstances
may result in a failure, electric shock, and fire.
• If a safety device such as a fuse, a breaker, or an
earth leakage breaker frequently actuates, or ON/
OFF switch does not properly work.
Measure: Turn off the main power switch
• If water leaks from unit.
Measure: Stop the operation.
• If the display “ ”, “UNIT No.”, and the OPERA-
TION lamp flash and the “MALFUNCTION
CODE” appears.
Measure: Notify your Daikin dealer and inform
him/her of the display.
II. If the system does not properly operate except
for the above mentioned case, and none of the
above mentioned malfunctions is evident,
investigate the system according to the fol-
lowing procedures.
1. If the system does not operate at all.
• Check if there is a power failure.
Wait until power is restored. If power failure
occurs during operation, the system automati-
cally restarts immediately after the power sup-
ply recovers.
• Check if the fuse has blown or breaker has
worked.
Change the fuse or set the breaker.
2. If the system stops operating after operating
the system.
• Check if the air inlet or outlet of outdoor or
indoor unit is blocked by obstacles.
Remove the obstacle and make it well-venti-
lated.
• Check if the air filter is clogged.
Ask a qualified service person to clean the air
filters (Refer to MAINTENANCE).
OPERATION lamp
INSPECTION
display
MALFUNCTION CODE
INDOOR UNIT No. in
which a malfunction occurs
UNIT No.
C
L H
3. The system operates but it does not suffi-
ciently cool or heat.
• If the air inlet or outlet of the indoor or the out-
door unit is blocked with obstacles.
Remove the obstacle and make it well-venti-
lated.
• If the air filter is clogged.
Ask a qualified service person to clean the air
filters (Refer to MAINTENANCE).
• If the set temperature is not proper (Refer to
ADJUSTMENT).
• If the FAN SPEED button is set to LOW
SPEED (Refer to ADJUSTMENT).
• If the air flow angle is not proper (Refer to
ADJUSTING THE AIR FLOW DIRECTION).
• If the doors or the windows are open. Shut
doors or windows to prevent wind from coming
in.
• If direct sunlight enters the room (when cool-
ing).
Use curtains or blinds.
• When there are too many inhabitants in the
room (when cooling).
Cooling effect decreases if heat gain of the
room is too large.
• If the heat source of the room is excessive
(when cooling).
Cooling effect decreases if heat gain of the
room is too large.