Trouble Shooting - Daikin FDY06KAY1 Operation Manual

• A "Shuh" sound which is heard at the start or
immediately after the stop of operation or
which is heard at the start or immediately after
the stop of DEFROST OPERATION.
This is the noise of refrigerant caused by flow stop
and flow change.
• A "Pishi-pishi" squeaking sound is heard
when the system is in operation or after the
stop of operation.
Expansion and contraction of plastic parts caused
by temperature change makes this noise.
IV.DUST FROM THE UNITS
• Dust may blow out from the unit after starting
operation from long resting time.
Dust absorbed by the unit blows out.
V. THE UNITS GIVE OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
VI.THE LIQUID CRYSTAL OF THE REMOTE CON-
TROLLER SHOW "
• Happens immediately after the main power
supply switch is turned on.
Shows that the remote controller is in normal con-
dition. Continues temporarily.

10. TROUBLE SHOOTING

I. If one of the following malfunctions occurs,
take the measures shown below and contact
your Daikin dealer.
The system must be repaired by a qualified service person.
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 " " (INSPECTION), "UNIT No.",
and the OPERATION lamp flash and the "MAL-
FUNCTION CODE" appears.
7
"
UNIT No.
INSPECTION
display
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.
• 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-ventilated.
• Check if the air filter is clogged.
Have a qualified service person to clean the air
filters.
(Refer to MAINTENANCE)
3. The system operates but it does not suffi-
ciently cool or heat.
• If the air inlet or outlet of the indoor or the outdoor
unit is blocked with obstacles.
Remove the obstacle and make it well-ventilated.
• 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 TEMPERATURE SETTING).
• 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 cooling).
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.
OPERATION lamp
C
INDOOR UNIT No. in
which a malfunction occurs
MALFUNCTION CODE
English