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Error display
OPERATION TIMER ECONOMY
lamp
lamp
lamp
(green)
(orange)
(green)
●(2)
●(2)
●(3)
●(3)
●(4)
●(4)
●(5)
●(5)
●(4)
●(7)
●(2)
●(5)
●(1)
●(2)
●(1)
●(3)
◊
Indoor unit PCB model
information error
◊
◊
◊
◊
◊
◊
●
●
(8)
◊
●(5)
●(15)
◊
●(6)
●(2)
◊
●(6)
●(3)
◊
●(6)
●(4)
◊
●
●
(5)
◊
●(6)
●(10)
◊
●(7)
●(1)
◊
●(7)
●(2)
◊
●(7)
●(3)
◊
●(7)
●(4)
◊
●(7)
●(5)
◊
●(7)
●(6)
◊
●(7)
●(7)
◊
●
●
(2)
◊
●(8)
●(3)
◊
●(8)
●(4)
◊
(8)
Description
◊
◊
●(7)
(6)
Error display
• Connection unit number
error (indoor slave unit)
[Simultaneous Multi]
• Connection unit number error
(indoor unit or branch unit)
[Flexible Multi]
Master unit, slave unit set-up
error [Simultaneous Multi]
●(5)
(5)
Wired
remote
controller
Error code
●(8)
●(6)
◊
●(9)
●(4)
◊
Manual auto switch error
Room temp. sensor error
Indoor unit Heat Ex. Middle temp.
sensor error
Indoor unit fan motor error
OPERATION TIMER ECONOMY
lamp
lamp
lamp
(green)
(orange)
(green)
●(9)
●(5)
◊
●(9)
●(7)
◊
●(9)
●(9)
◊
●(10)
●(1)
◊
●(10)
●(3)
◊
●(10)
●(4)
◊
●(10)
●(5)
◊
●(13)
●(2)
◊
Display mode
Drain pump error
Wired
remote
controller
Error code
Description
Compressor rotor position
detection error
Outdoor unit fan motor error
4-way valve error
Discharge temp. error
Compressor temp. error
High pressure error
Low pressure error
Branch boxes error
[Flexible Multi]
● : 0.5s ON / 0.5s OFF
◊ : 0.1s ON / 0.1s OFF
( ) : Number of flashing
Damper error
[Troubleshooting with the indoor unit display]
Intake grille error
Indoor unit error
Outdoor unit main PCB model
information error or
communication error
Inverter error
Active filter error, PFC circuit
error
Trip terminal L error
Display PCB microcomputers
communication error
Discharge temp. sensor error
OPERATION indicator lamp (green)
TIMER indicator lamp (orange)
ECONOMY indicator lamp (green)
[Troubleshooting with the wired remote controller display (Option)]
If an error occurs, the following display will be shown. (“Er” will appear in the set room
temperature display.)
Compressor temp. sensor error
Outdoor unit Heat Ex. liquid
temp. sensor error
Error code
Outdoor temp. sensor error
Suction Gas temp. sensor error
• 2-way valve temp. sensor error
• 3-way valve temp. sensor error
Heat sink temp. sensor error
• Sub-cool Heat Ex. gas inlet
temp. sensor error
• Sub-cool Heat Ex. gas outlet
temp. sensor error
Liquid pipe temp. sensor error
Current sensor error
• Discharge pressure sensor
error
• Suction pressure sensor error
• High pressure switch error
Trip detection
En-12
9319357003-03_IM.indb 12
3/27/2013 2:09:20 PM