Trouble Shooting - Daikin FVQ71BV1B Operation Manual

• 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.
VI.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.
VII. THE UNITS GIVE OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
VIII.THE LIQUID CRYSTAL OF THE CONTROL
PANEL SHOW " "
• It happens immediately after the main power
supply switch is turned on.
This shows that the control panel is in normal con-
dition.
This continues temporary.
IX.THE WIND DIRECTION DIFFERS FROM THE
DISPLAY ON THE CONTROL PANEL
• The AIR FLOW BLADE display on the control
panel swings, but the actual airflow blade dos
not swing.
While in heating operation: The air conditioner will
be in wind direction control immediately after the
air conditioner starts operating or when the room
temperature is higher than the set temperature so
that the people in the room will not be exposed to
an unpleasant wind.
While in cooling or drying operation: The air con-
ditioner will be in wind direction control while the
room temperature is lower than the set tempera-
ture. See page 6.
• The AIR FLOW BLADE display on the control
panel differs in direction from the actual air
flow blade.
While in heating operation: The air conditioner will
be in wind direction control immediately after the
air conditioner starts operating or when the room
temperature is higher than the set temperature so
that the people in the room will not be exposed to
an unpleasant wind.
10
X.THE ROOM TEMPERATURE DOES NOT DROP
• The air conditioner is in program dry opera-
tion.
The air conditioner in program dry operation does
not drop the room temperature as much as possi-
ble. See page 5.

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;
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 " " (INSPECTION), "UNIT No.",
and the OPERATION lamp flash and the "MAL-
FUNCTION CODE" appears.
UNIT No.
C
INSPECTION
display
Measure: Notify your Daikin dealer and inform
him/her of the display.
OPERATION lamp
L H
INDOOR UNIT
No. in which a
malfunction occurs
MALFUNCTION
CODE
English