(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication "E:EE" is displayed, follow the following
items to perform the self-diagnosis. "E:EE" indicates an error has
occurred.
1. REMOTE CONTROLLER DISPLAY
(1) Stop the air conditioner operation.
(2) Press the set temperature buttons simultaneously for 5
seconds or more to start the self-diagnosis.
Refer to the following tables for the description of each error
code.
SU
MO
TU
WE
TH FR
SA
Unit number (usually 0)
Error code
EX. Self-dia
gnosis
(3) Press the set temperature buttons simultaneously for 5
seconds or more to stop the self-diagnosis.
Error code Error contents
Communication error
(indoor unit
remote controller)
Communication error
(outdoor unit
indoor unit)
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor
Power source connection error
Float switch operated
Outdoor temperature sensor
Discharge pipe temperature sensor
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
Compressor temperature sensor
Pressure switch abnormal
IPM error
Compressor cannot operate
Outdoor fan abnormal
00
01
02
03
04
05
06
Outdoor heat exchanger temperature thermistor
short-circuited
07
08
09
0A
Outdoor temperature thermistor short-circuited
0b
Outdoor discharge pipe temperature
thermistor short-circuited
0d
Heat sink temperature thermistor error
0E
0C
11
12
13
14
15
16
17
CT error
18
Active Filter Module (AFM) error
19
1A
1b
Main CPU-sub CPU communication error
1C
2-way valve temperature thermistor erro
1d
3-way valve temperature thermistor erro
1E
Connected indoor unit error
1F
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