SiEN18-621
Instruction
System Configuration
237
•
If the display “
” (INSPECTION), “UNIT No.”, and the
OPERATION lamp flash and the “MALFUNCTION CODE”
appears.
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 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.
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 BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...
