Daikin Super Multi Plus D-Series, Service Manual

Page: 237 / 395

Instruction SiEBE18-526
226 System Configuration
3P083810-4M
UNIT No.
C
L H
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.
10. TROUBLE SHOOTING
WARNING
When the air conditioner is in abnormal
conditions (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.
• 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.
VII. 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.
VIII. THE UNITS GIVE OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
IX. THE LIQUID CRYSTAL OF THE REMOTE
CONTROL SHOW “ ”
• It happens immediately after the main power
supply switch is turned on.
This shows that the remote control is in normal
condition.
This continues temporary.
INSPECTION
display
MALFUNCTION CODE
OPERATION lamp
INDOOR UNIT No. in which
a malfunction occurs
Measure: Notify and inform the model name and
what the malfunction code indicates to your
Daikin dealer.
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 automatically
restarts immediately after the power supply
recovers.
• 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.
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 (Refer to
ADJUSTMENT).
• If the FAN SPEED button is set to LOW SPEED
(Refer to ADJUSTMENT).
• 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.