You will find this on a wired remote control LCD. (option)
If an error occurs, the following display will be shown.
("EE" will appear in the set room temperature display.)
TROUBLESHOOTING
AT A REMOTE CONTROL LCD
ERROR CONTENTS
Unit number
Error code
SU MO TU WE TH FR SA
Error code
Error contents
Wired remote controller abnormal
Indoor room temperature sensor error
Indoor heat exchanger temperature sensor (middle) error
Indoor heat exchanger temperature sensor (inlet) error
Float switch operated
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor (outlet) error
Outdoor temperature sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor (middle) error
Indoor manual auto switch abnormal
Power supply frequency detection error
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication error
Indoor fan abnormal
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
00
02
04
28
09
0C
06
0A
15
1d
1E
29
20
2A
17
18
1A
1b
1F
1c
12
0F
24
2c
16
2b
19
25
If "CO" appears in the unit number display, there is a remote control error.
Refer to the installation instruction sheet included with the remote control.
2008.04.18
15
Serial forward transfer error
Serial reverse transfer error
Communication error ( Main PCB Display PCB )
01
13
26
27
Communication error ( Display PCB Main PCB )
