Troubleshooting - SkyAir Indoor Unit SiE18-201
200 Service Diagnosis
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
55
*Note 1 — — — — Normal → to outdoor unit —
54 A1
—— — Failure of indoor unit PC
board (For
troubleshooting by LED,
refer to p.199.)
201
53
4
—
3
—
55 A3
—— —Malfunction of drain
water level system
202
55 A6
— — Indoor unit fan motor
overload/ overcurrent/
lock
204
55 A7
— — Swing flap motor
malfunction / lock
205
55 AJ
— — Failure of capacity
setting
206
55 C4
— — Malfunction of heat
exchanger temperature
sensor system
207
55 C9
— — Malfunction of suction air
temperature sensor
system
208
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