Troubleshooting
126 Electrical Control System
12 Outdoor current protection ☆ X ☆ ☆ P2
13 Inverter compressor drive error X ◎ X X P4
14
Indoor fan Speed has been out of control. O X ☆ O F5
O (on) X(off) ☆(flash at 5Hz) ◎(flash at 0.5Hz)
For other models:
NO. Malfunction
Defrosting
lamp
Alarm
lamp
Running lamp
Timer
lamp
Display(digital
tube)
1 Indoor / outdoor units communication error X X X ☆ E1
2
Open or short circuit of T1 temperature
sensor
X X ☆ X E2
3
Open or short circuit of T2 temperature
sensor
X X ☆ X E3
4
Open or short circuit of T2B temperature
sensor
X X ☆ X E4
5 Indoor EEPROM malfunction ☆ X X X E7
6 Indoor fan speed is out of control ☆ ☆ X X E8
7 Refrigerant Leakage Detection ☆ ☆ O X EC
8 Outdoor unit malfunction X ◎ X X Ed
9 Full-water malfunction X ☆ X X EE
10
Communication malfunction between main
PCB and up-down panel PCB
☆ ☆ ☆ X F0
11 Up-down panel malfunction ☆ ☆ X ☆ F1
12 Up-down panel is not closed ☆ ☆ X O F2
13
Communication malfunction between master
unit and slave unit
X ☆ X ☆ F3
14
Other malfunction of master unit or slave unit X ☆ ☆ X F4
O (on) X(off) ☆(flash at 5Hz) ◎(flash at 0.5Hz)
F0,F1,F2 are only available for super-slim cassette
F3,F4 are only available for the unit with TWINS function
Note: Digital display is only available for super sl
im cassette & duct type.
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