Daikin E Series User Manual

Service Check Function SiAU18-715
314 Troubleshooting
2.5 Sky Air Indoor Unit Error Codes and LED Indication
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)
System
Indoor Unit
Remote
Controller
Display
Location of Malfunction Contents of Malfunction
Details of
Malfunction
(Reference
Page)
Other
than PC
Board
PC Board
Outdoor
Unit
Indoor
Unit
Remote
Controller
U5 
—
{{
Transmission error (between
indoor unit and remote
controller)
345
U8  — {{Transmission error between
“main” remote controller and
“sub” remote controller
346
UA  — { — Excessive indoor units
connected to this system.
347
Indoor
Unit
LED
Display
(H1P)
Remote
Controller
Display
Location of Malfunction Contents of Malfunction
Details of
Malfunction
(Reference
Page)
Other
than PC
Board
PC Board
Outdoor
Unit
Indoor
Unit
Remote
Controller
5
————Normal → to outdoor unit —
5
A1 ——
{
— Failure of indoor unit PC
board (For self-diagnosis by
LED, refer to p.302.)
331
4
3
5
A3  — — — Malfunction of drain water
level system
332
5
AF 
— — — Float switch operation
during compressor stop
334
5
A6
(FHQ only)

—

— Indoor unit fan motor
overload / overcurrent / lock
335, 336
5
A7  —  — Swing flap motor
Malfunction / Lock
338
5
AJ  — { — Failure of capacity setting 340
5
C4 
—

— Malfunction of heat
exchanger temperature
sensor system (R2T)
341
5
C5 
—

— Malfunction of heat
exchanger temperature
sensor system (R3T)
342
5
C9  —  — Malfunction of suction air
temperature sensor system
343
5
CJ —— — Malfunction of remote
control air temperature
sensor system
344

Daikin E Series Specifications

General

Brand	Daikin
Model	E Series
Category	Air Conditioner
Language	English