Daikin FCQ100DAV3B [11/12] Trouble shooting
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Daikin FCQ100DAV3B [11/12] Trouble shooting

Daikin FCQ125DV3B [11/12] Trouble shooting
English 8
VI. THE LIQUID CRYSTAL OF THE REMOTE
CONTROLLER SHOW “ ”
• It happens immediately after the main power
supply switch is turned on.
This shows that the remote controller is in nor-
mal 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.
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.
Measure: Notify your Daikin dealer and inform
him/her of the display.
9. TROUBLE SHOOTING
OPERATION lamp
INSPECTION
display
MALFUNCTION
CODE
INDOOR UNIT No. in which a
malfunction occurs.
UNIT No.
C
L H
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 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.)
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.
Ask 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.
• If the FAN SPEED button is set to LOW SPEED.
• If the air flow angle is not proper (Refer to AIR
FLOW DIRECTION ADJUST).
• 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.
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