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Error Codes and LED Indication
Si21-205
140
Troubleshooting
Indoor Unit
Indoor
Unit
LED
Display
Remote
Controller
Display
Location of Malfunction
Contents of Malfunction
Details of
Malfunction
(Reference
Page)
H1P
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.138.)
142
4
3
5
A3
—
—
—
Malfunction of drain water
level system
143
5
AF
—
—
—
Float switch operation
during compressor stop
145
5
A6
(FHQ only)
—
—
Indoor unit fan motor
overload / overcurrent / lock
146,147
5
A7
—
—
Swing flap motor
Malfunction / Lock
149
5
AJ
—
—
Failure of capacity setting
151
5
C4
—
—
Malfunction of heat
exchanger temperature
sensor system (R2T)
152
5
C5
—
—
Malfunction of heat
exchanger temperature
sensor system (R3T)
153
5
C9
—
—
Malfunction of suction air
temperature sensor system
154
5
CJ
—
—
—
Malfunction of remote
control air temperature
sensor system
155
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...