Daikin BPMK928B42, Service Manual

Page: 264 / 410

Si18-201 Troubleshooting - SkyAir Indoor Unit
Service Diagnosis 251
2.5 Troubleshooting by Remote Controller Display / LED
Display
2.5.1 Explanation for Symbols
5 : Blinks 4 : On 3 : Off — : No connection with troubleshooting
%
: High probability of malfunction
$
: Possibility of malfunction
)
: Low probability of malfunction
— : No possibility of malfunction (do not replace)
2.5.2 Malfunction Code and LED Display Table
Indoor Unit
Note: 1. The asterisk (
∗
) indicates variety of circumstances.
2. No H2P for dedicated cooling only model 35 ~ 60 class.
Indoor Unit
Malfunctions
Indoor Unit
LED Display
Note 2
Remote
Controller
Display
Location of Malfunction Contents of Malfunction Details of
Malfunction
(Reference
Page)
H1P H2P Other
than PC
Board
PC Board
Outdoor
Unit
Indoor
Unit
Remote
Controller
5 5
*Note 1 — — — — Normal
→
to outdoor unit —
5 4
A1 — —
$
— Failure of indoor unit PC
board (For
troubleshooting by LED,
refer to p.250.) 252
5 3
4
—
3
—
5 5
A3
%
— — — Malfunction of drain
water level system 253
5 5
A6
%
—
)
— Indoor unit fan motor
overload/ overcurrent/
lock 255
5 5
A7
%
—
)
— Swing flap motor
malfunction / lock 256
5 5
AJ
%
—
$
— Failure of capacity
setting 257
5 5
C4
%
—
)
— Malfunction of heat
exchanger temperature
sensor system 258
5 5
C9
%
—
)
— Malfunction of suction air
temperature sensor
system 259