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

SiENBE18-621
2.5

Sky Air Indoor Unit Error Codes and LED Indication

Symbols 5
- : High probability of malfunction
# : Possibility of malfunction
. : Low probability of malfunction
— : No possibility of malfunction (do not replace)
System
Indoor Unit
Indoor
Unit
LED
Display
(H1P)
5
5
4
3
5
5
5
5
5
5
5
5
5
Troubleshooting
: Blinks 4 : On 3 : Off — : No connection with troubleshooting
Remote Location of Malfunction
Control
Other
Display
than PC
Outdoor
Board
Unit
-
—
U5
-
U8 —
-
—
UA
Location of Malfunction
Remote
Control
Other
Display
than PC
Board
—
A1 —
-
A3
-
AF
-
A6
(FHQ only)
-
A7
-
AJ
-
C4
-
C5
-
C9
—
CJ
PC Board
Indoor Remote
Control
Unit
# #
# #
#
—
PC Board
Outdoor Indoor Remote
Control
Unit Unit
— — —
#
— —
— — —
— — —
.
— —
.
— —
#
— —
.
— —
.
— —
.
— —
.
— —
Service Check Function
Contents of Malfunction
Transmission error (between
indoor and remote control)
Transmission error between
"main" remote control and
"sub" remote control
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.252.)
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
Details of
Malfunction
(Reference
Page)
295
296
297
Details of
Malfunction
(Reference
Page)
—
281
282
284
285, 286
288
290
291
292
293
294
263