16
2009.02.03
Troubleshooting at the wired remote control LCD
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
Error
code
Error contents
Indoor signal error
Wired remote control abnormal
Indoor room thermistor error
Indoor heat exchanger thermistor (middle) error
Indoor heat exchanger thermistor (inlet) error
Float switch operated
Outdoor discharge pipe thermistor error
Outdoor heat exchanger thermistor (outlet) error
Outdoor thermistor error
Compressor thermistor error
2-way valve thermistor error
3-way valve thermistor error
Outdoor heat exchanger thermistor (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
If "CO" appears in the unit number display,
there is a remote control error.
Содержание AUU12RML
Страница 27: ......
Страница 30: ...0902G3598 ...