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11. ERROR CODES
If you use a wired remote controller, error codes will appear on the remote
controller display.
If you use a wireless remote controller, the lamp on the IR receiver unit will
output error codes by way of blinking patterns. See the lamp blinking patterns
and error codes in the table below. An error display is displayed only during
operation.
Error display
OPERATION
TIMER
ECONOMY
lamp
lamp
lamp
(green)
(orange)
(green)
●
●
◊
(1)
(1)
●
●
◊
(1)
(2)
●
●
◊
(1)
(5)
●
●
◊
(2)
(1)
●
●
◊
(2)
(2)
●
●
◊
(2)
(3)
●
●
◊
(2)
(4)
●
●
◊
(2)
(7)
●
●
◊
(3)
(2)
●
●
◊
(3)
(5)
●
●
◊
(4)
(1)
●
●
◊
(4)
(2)
●
●
◊
(5)
(1)
●
●
◊
(5)
(3)
●
●
◊
(5)
(7)
●
●
◊
(5)
(15)
●
●
◊
(6)
(2)
●
●
◊
(6)
(3)
●
●
◊
(6)
(4)
●
●
◊
(6)
(5)
●
●
◊
(6)
(10)
Wired
remote
Description
controller
Error code
Serial communication
error
Wired remote
controller
communication error
Check run unfi nished
Unit number or
Refrigerant circuit
address setting error
[Simultaneous Multi]
Indoor unit capacity
error
Combination error
•
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]
Indoor unit PCB
model information
error
Manual auto switch
error
Inlet air temp. sensor
error
Indoor unit Heat Ex.
Middle temp. sensor
error
Indoor unit fan motor
error
Drain pump error
Damper error
Indoor unit error
Outdoor unit
main PCB model
information error or
communication error
Inverter error
Active fi lter error,
PFC circuit error
Trip terminal L error
Display PCB
microcomputers
communication error
●
●
◊
(7)
(1)
●
●
◊
(7)
(2)
●
●
◊
(7)
(3)
●
●
◊
(7)
(4)
●
●
◊
(7)
(5)
●
●
◊
(7)
(6)
●
●
◊
(7)
(7)
●
●
◊
(8)
(2)
●
●
◊
(8)
(3)
●
●
◊
(8)
(4)
●
●
◊
(8)
(6)
●
●
◊
(9)
(4)
●
●
◊
(9)
(5)
●
●
◊
(9)
(7)
●
●
◊
(9)
(9)
●
●
◊
(10)
(1)
●
●
◊
(10)
(3)
●
●
◊
(10)
(4)
●
●
◊
(10)
(5)
●
●
◊
(13)
(2)
●
Display mode
: 0.5s ON / 0.5s OFF
◊
: 0.1s ON / 0.1s OFF
( ) : Number of fl ashing
Wired Remote Controller Display
Error code
Discharge temp.
sensor error
Compressor temp.
sensor error
Outdoor unit Heat Ex.
liquid temp. sensor
error
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
Compressor rotor
position detection
error (permanent
stop)
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]
En-8
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