En-10
15.ERROR CODES
If you use a wireless remote controller, the lamp on the photo detector unit will output error
codes by way of blinking patterns. If you use a wired remote controller, error codes will ap-
pear on the remote control display. See the lamp blinking patterns and error codes in the
table. An error display is displayed only during operation.
Error display
Wired
remote
controller
Error code
Description
OPERATION
lamp
(green)
TIMER
lamp
(orange)
ECONOMY
lamp
(green)
Ɣ
(1)
Ɣ
(1)
¸
Serial communication error
Ɣ
(1)
Ɣ
(2)
¸
Wired remote controller
communication error
Ɣ
(1)
Ɣ
(5)
¸
Check run unfinished
Ɣ
(2)
Ɣ
(2)
¸
Indoor unit capacity error
Ɣ
(2)
Ɣ
(3)
¸
Combination error
Ɣ
(3)
Ɣ
(2)
¸
Indoor unit PCB model
information error
Ɣ
(3)
Ɣ
(5)
¸
Manual auto switch error
Ɣ
(4)
Ɣ
(1)
¸
Room temp. sensor error
Ɣ
(4)
Ɣ
(2)
¸
Indoor unit Heat Ex. Middle temp.
sensor error
Ɣ
(5)
Ɣ
(1)
¸
Indoor unit fan motor error
Ɣ
(5)
Ɣ
(3)
¸
Drain pump error
Ɣ
(5)
Ɣ
(7)
¸
Damper error
Ɣ
(5)
Ɣ
(15)
¸
Indoor unit error
Ɣ
(6)
Ɣ
(2)
¸
Outdoor unit main PCB model
information error or
communication error
Ɣ
(6)
Ɣ
(3)
¸
Inverter error
Ɣ
(6)
Ɣ
(4)
¸
Active filter error, PFC circuit er-
ror
Ɣ
(6)
Ɣ
(5)
¸
Trip terminal L error
Ɣ
(6)
Ɣ
(10)
¸
Display PCB microcomputers
communication error
Ɣ
(7)
Ɣ
(1)
¸
Discharge temp. sensor error
Ɣ
(7)
Ɣ
(2)
¸
Compressor temp. sensor error
Ɣ
(7)
Ɣ
(3)
¸
Outdoor unit Heat Ex. liquid
temp. sensor error
Ɣ
(7)
Ɣ
(4)
¸
Outdoor temp. sensor error
Ɣ
(7)
Ɣ
(5)
¸
Suction Gas temp. sensor error
Ɣ
(7)
Ɣ
(6)
¸
2-way valve temp. sensor error•
3-way valve temp. sensor error•
Ɣ
(7)
Ɣ
(7)
¸
Heat sink temp. sensor error
Ɣ
(8)
Ɣ
(2)
¸
Sub-cool Heat Ex. gas inlet •
temp. sensor error
Sub-cool Heat Ex. gas outlet •
temp. sensor error
Ɣ
(8)
Ɣ
(3)
¸
Liquid pipe temp. sensor error
Ɣ
(8)
Ɣ
(4)
¸
Current sensor error
Ɣ
(8)
Ɣ
(6)
¸
Discharge pressure sensor •
error
Suction pressure sensor error•
High pressure switch error•
Ɣ
(9)
Ɣ
(4)
¸
Trip detection
Ɣ
(9)
Ɣ
(5)
¸
Compressor rotor position
detection error (permanent stop)
Ɣ
(9)
Ɣ
(7)
¸
Outdoor unit fan motor error
Ɣ
(9)
Ɣ
(9)
¸
4-way valve error
Ɣ
(10)
Ɣ
(1)
¸
Discharge temp. error
Ɣ
(10)
Ɣ
(3)
¸
Compressor temp. error
Ɣ
(10)
Ɣ
(4)
¸
High pressure error
Ɣ
(10)
Ɣ
(5)
¸
Low pressure error
Display mode
Ɣ
: 0.5s ON / 0.5s OFF
¸
: 0.1s ON / 0.1s OFF
( ) : Number of flashing
[Troubleshooting with the indoor unit display]
OPERATION OPERTION lamp (green)
TIMER
TIMER lamp (orange)
ECONOMY
ECONOMY 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.)
Error code
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