Sky Air Indoor Unit Error Codes And Led Indication - Daikin E-Series Service Manual

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Service Check Function
2.5

Sky Air Indoor Unit Error Codes and LED Indication

5
Symbols
— : 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
314
4
3
: Blinks
: On
: 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 unit 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.302.)
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
SiAU18-715
Details of
Malfunction
(Reference
Page)
345
346
347
Details of
Malfunction
(Reference
Page)
331
332
334
335, 336
338
340
341
342
343
344

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