Trouble Shooting - Daikin FTQ18PAVJU Operation Manual

III. WHITE MIST COMES OUT OF A UNIT
• When humidity is high during cooling op-
eration (In oily or dusty places)
If the inside of an indoor unit is extremely con-
taminated, the temperature distribution inside a
room becomes uneven. It is necessary to clean
the inside of the indoor unit. Ask your Daikin
dealer for details on cleaning the unit. This
operation requires a qualifi ed service person.
• When the system is changed over to HEAT-
ING OPERATION after DEFROST OPERA-
TION.
Moisture generated by DEFROST becomes
steam and exists.
IV. NOISE OF AIR CONDITIONERS
• A ringing sound after the unit is started.
This sound is generated by the temperature
regulator working.
It will quiet down after about a minute.
• A continuous fl ow "Shuh" sound is heard
when the systems is in COOLING or DE-
FROST OPERATION.
This is the sound of refrigerant gas fl owing
through both indoor and outdoor units.
• A "Shuh" sound which is heard at the start
or immediately after the stop of operation
or which is heard at the start or immediate-
ly after the stop of DEFROST OPERATION.
This is the noise of refrigerant caused by fl ow
stop and fl ow change.
• A continuous fl ow "Shah" sound is heard
when the system is in COOLING OPERA-
TION or at a stop.
The noise is heard when the drain pump is in
operation.
V. DUST FROM THE UNITS
• Dust may blow out from the unit after start-
ing operation from long resting time.
Dust absorbed by the unit blows out.
VI. THE UNITS GIVE OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
VII. THE LIQUID CRYSTAL OF THE REMOTE
CONTROLLER SHOW "
• It happens immediately after the main pow-
er supply switch is turned on.
This shows that the remote controller is in
normal condition.
This continues temporary.
English
The system must be repaired by a qualifi ed service
person.
"
10.

TROUBLE SHOOTING

I. If one of the following malfunctions occurs,
take the measures shown below and contact
your Daikin dealer.
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 fi re.
• If a safety device such as a fuse, a breaker or an
earth leakage breaker frequently actuates;
Measure: Do not turn on the main power switch.
• If the 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 fl ash and the "MALFUNCTION
CODE" appears.
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 following procedures.
OPERATION lamp
INDOOR UNIT
No. in which a
malfunction occurs
MALFUNCTION
CODE
10