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9

English

• When the system is changed over to HEATING 

OPERATION after DEFROST OPERATION.

Moisture generated by DEFROST becomes 
steam and exists.

III. NOISE OF AIR CONDITIONERS

• A ringing sound after the unit is started.

This sound is generated by the temperature regu-
lator working.
It will quiet down after about a minute.

• A continuous flow “Shuh” sound is heard 

when the systems is in COOLING or DEFROST 
OPERATION.

This is the sound of refrigerant gas flowing 
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 immediately after 
the stop of DEFROST OPERATION. 

This is the noise of refrigerant caused by flow stop 
and flow change.

• A continuous low “Shah” sound is heard 

when the system is in COOLING OPERATION 
or at a stop.

The noise is heard when the drain pump is in 
operation.

• 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 “

• It happens immediately after the main power 

supply switch is turned on.

This shows that the remote controller is in normal 
condition.
This continues temporary.

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.

9. TROUBLE SHOOTING

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;

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 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 following 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 no fuse has blown.
Turn off the power supply.

Check if the breaker is blown.
Turn the power on with the breaker switch in 
the off position.
Do not turn the power on with the breaker 
switch in the trip position.
(Contact your dealer.)

OPERATION lamp

INSPECTION 
display

MALFUNCTION CODE

INDOOR UNIT No. in
which a malfunction occurs

UNIT   No.

C

L

  H     

ON

OFF

Trip position

Switch

Breaker

Summary of Contents for FUQ71BUV1B x 2

Page 1: ...UAL MODELS Ceiling suspended Cassette type FUQ71BUV1B FXUQ71MV1 FUQ71BVV1B FXUQ71MAV1 FUQ100BUV1B FXUQ100MV1 FUQ100BVV1B FXUQ100MAV1 FUQ125BUV1B FXUQ125MV1 FUQ125BVV1B FXUQ125MAV1 English Deutsch Fran...

Page 2: ...dicionador de aire Dicho manual le indicar c mo utilizar adecuadamente la m quina y le ayudar en caso de aver a Despu s de leer el manual cons rvelo para consultas futuras Funcionamiento consulte el m...

Page 3: ...gerante aceite y otros componentes debe ser efectuado por un instalador competente de acuerdo con las normas locales y nacionales aplicables Los acondicionadores de aire deben ser tratados en instalac...

Page 4: ...TO DO BEFORE OPERA TION Outdoor unit Indoor unit Unit with remote controller Unit without remote controller When used as simultaneous operation system Cooling only type This system provides cooling pr...

Page 5: ...indoor units The unit is individually operated NOTE Contact your Daikin dealer in case of changing the combination or setting of group control and two remote controller control systems k Ground wire...

Page 6: ...signated by our company Incomplete installation performed by yourself may result in a water leakage electric shock and fire Ask your dealer to move and reinstall the air conditioner Incomplete install...

Page 7: ...if power failure compensation is enabled which may result in injury Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit Leave...

Page 8: ...20 to 15 5 INDOOR TEMPERATURE D B 21 to 32 D B 15 to 27 W B 14 to 25 INDOOR HUMIDITY 80 or below 4 INSTALLATION SITE Pay attention to running noises too Are the following places selected a A place tha...

Page 9: ...gher than the set temperature At defrost oper ation 6 OPTIMUM OPERATION swing Turn off the main power supply switch when it is not used for long periods of time When the main power switch is turned on...

Page 10: ...W TO CLEAN AIR OUTLET AND OUTSIDE PANELS Clean with soft cloth When it is difficult to remove stains use water or neutral detergent When the flap is extremely contaminated remove it as below and clean...

Page 11: ...roller will vanish when the main power switch is turned off Clean the air filter and the exterior Be sure to replace the air filter to its original place after cleaning Refer to MAINTENANCE The follow...

Page 12: ...tion This continues temporary 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 9 TRO...

Page 13: ...ified service person to clean the air filters Refer to MAINTENANCE If the set temperature is not proper Refer to the operation manual attached to the remote controller If the FAN SPEED button is set t...

Page 14: ...3P177429 2D EM03A094F 0704 FS HT...

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