Troubleshooting at the remote control LCD
This is possible only on the wired remote control.
SELF-DIAGNOSIS
If an error occurs, the following display will be
shown.
("EE" will appear in the set room temperature
display.)
Unit number
Error code
Ex. Self-diagnosis
SU MO TU WE TH FR SA
Code Error contents
Indoor signal error
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
01
13
26
27
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
Unit
number
CO
CO
Error
code
1d
1c
Content
Incompatible indoor unit is connected
Communication error between indoor unit and remote control
If "CO" appears in the unit number display,
there is a remote control error.
2008.05.02
12
ERROR CONTENTS
REMOTE CONTROL
Summary of Contents for AOHA12LACL
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