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Ceiling Mounted Cassette Type
SiEN18-622
299
System Configuration
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.
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 flashes 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 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 sufficiently 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 the 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.
10.Trouble shooting
WARNING...
MALFUNCTION CODE
UNIT No.
C
L
H
OPERATION l
a
mp
INDOOR UNIT No. in which
a
m
a
lf
u
nction occ
u
r
s
IN
S
PECTION
di
s
pl
a
y
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...