En-20
Error display
Error code
Description
OPERATION
lamp
(green)
TIMER
lamp
(orange)
ECONOMY
lamp
(green)
●
(5)
●
(5)
Filter set error
(5)
(7)
Damper error
●
(5)
●
(8)
Intake grille error
●
(5)
●
(9)
Indoor unit fan motor 2 error
(Left side fan)
●
(5)
●
(10)
Indoor unit fan motor 3 error
(Right side fan)
(5)
(15)
Indoor unit error
(6)
(1)
Outdoor unit reverse/missing
phase and wiring error
(6)
(2)
Outdoor unit main PCB
model information error or
communication error
(6)
(3)
Inverter error
(6)
(4)
Active filter error, PFC circuit error
(6)
(5)
Trip terminal L error
(6)
(8)
Outdoor unit rush current limiting
resister temp. rise error
(6)
(10)
Display PCB microcomputers
communication error
(7)
(1)
Discharge temp. sensor error
(7)
(2)
Compressor temp. sensor error
(7)
(3)
Outdoor unit Heat Ex. liquid temp.
sensor error
(7)
(4)
Outdoor temp. sensor error
(7)
(5)
Suction Gas temp. sensor error
(7)
(6)
• 2-way valve temp. sensor error
• 3-way valve temp. sensor error
(7)
(7)
Heat sink temp. sensor error
(8)
(2)
• Sub-cool Heat Ex. gas inlet
temp. sensor error
• Sub-cool Heat Ex. gas outlet
temp. sensor error
(8)
(3)
Liquid pipe temp. sensor error
(8)
(4)
Current sensor error
(8)
(6)
• Discharge pressure sensor error
• Suction pressure sensor error
• High pressure switch error
(9)
(4)
Trip detection
Error display
Error code
Description
OPERATION
lamp
(green)
TIMER
lamp
(orange)
ECONOMY
lamp
(green)
(9)
(5)
Compressor rotor position
detection error (permanent stop)
(9)
(7)
Outdoor unit fan motor 1 error
(9)
(8)
Outdoor unit fan motor 2 error
(9)
(9)
4-way valve error
(9)
(10)
Coil (expansion valve) error
(10)
(1)
Discharge temp. error
(10)
(3)
Compressor temp. error
(10)
(4)
High pressure error
(10)
(5)
Low pressure error
(13)
(2)
Branch boxes error
[Flexible Multi]
Display mode
●
: 0.5s ON / 0.5s OFF
◊
: 0.1s ON / 0.1s OFF
( ) : Number of flashing
9374342532_IM.indb 20
9374342532_IM.indb 20
2018/12/11 10:11:37
2018/12/11 10:11:37
