Sky Air Indoor Unit Error Codes And Led Indication - Daikin Super Multi Plus D-Series Service Manual

Service Check Function
2.5

Sky Air Indoor Unit Error Codes and LED Indication

Symbols 5
— : No possibility of malfunction (do not replace)
System
Controller
Indoor Unit
Indoor
Unit
LED
Display
(H1P)
5
5
4
3
5
5
5
5
5
5
5
5
5
252
: Blinks 4 : On 3 : Off — : No connection with troubleshooting
: High probability of malfunction
: Possibility of malfunction
: Low probability of malfunction
Remote Location of Malfunction
Other
Display
than PC
Outdoor
Board
Unit
U5
—
U8
—
UA
—
Remote Location of Malfunction
Controller
Other
Display
than PC
Board
—
A1
—
A3
AF
A6
(FHQ only)
A7
AJ
C4
C5
C9
CJ
—
PC Board
Indoor Remote
Controller
Unit
—
PC Board
Outdoor Indoor Remote
Controller
Unit Unit
— — —
— —
— — —
— — —
— —
— —
— —
— —
— —
— —
— —
Contents of Malfunction
Transmission error (between
indoor and remote controller)
Transmission error between
"main" remote controller and
"sub" remote controller
Excessive indoor units
connected to this system.
Contents of Malfunction
Normal → to outdoor unit
Failure of indoor unit PC
board (For self-diagnosis by
LED, refer to p.242.)
Malfunction of drain water
level system
Float switch operation
during compressor stop
Indoor unit fan motor
overload / overcurrent / lock
Swing flap motor
Malfunction / Lock
Failure of capacity setting
Malfunction of heat
exchanger temperature
sensor system (R2T)
Malfunction of heat
exchanger temperature
sensor system (R3T)
Malfunction of suction air
temperature sensor system
Malfunction of remote
control air temperature
sensor system
Troubleshooting
SiEBE18-526
Details of
Malfunction
(Reference
Page)
282
283
284
Details of
Malfunction
(Reference
Page)
—
268
269
271
272,273
275
277
278
279
280
281