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TROUBLESHOOTING
Self-Diagnosis Error Description
No. Defect Item
LED Blinking
Frequency
Defect Description
1 F-DEF-SENSOR Twice F-ROOM DEFROST SENSOR RELATED ERROR
2 EXT-SENSOR 3 times EXT DEFROST SENSOR RELATED ERROR
3 F-Def-Error 5 times F-DEF RELATED ERROR
4 R-SENSOR 6 times R-SENSOR RELATED ERROR
5 Rotary Error 9 times ROTARY Switch ERROR
6 INVERTER COMP. ERROR 10 times INVERTER COMP ERROR
7 F-FAN ERROR 11 times F-FAN RELATED ERROR
4-1-2-2. Models with ROTARY S/W
1. When the unit is plugged in, it will diagnose all its components to check if there are any defect parts.
And when there is any defect part, the ERROR MODE DISPLAY LED LAMP will blink according to the LED
Blinking Frequency in the below table. And, at the end of each blinking cycle, there is a two-second
interval (Downtime).
2. When the unit is plugged in, it will also diagnose if there are any multiple parts or loads failures. If so, the
ERROR MODE DISPLAY LED LAMP will blink according to the LED Blinking Frequency in the below table.
And, at the end of each blinking cycle, there is a two-second interval (Downtime).
ITEM
LED Blinking
Frequency
Defect Description Remarks
F-DEF-SENSOR Twice
- OPEN Defect
- SHORT Defect
- -50℃ or lower being detected
- +65℃ or higher being detected
EXT-SENSOR 3 times
- OPEN Defect
- SHORT Defect
- -50℃ or lower being detected
- +65℃ or higher being detected
F-Def-Error 5 times
- When exceeding Maximum heating
time and stopping operation
R-SENSOR 6 times
- OPEN Defect
- SHORT Defect
Rotary Error 9 times
- OPEN Defect
- SHORT Defect
INVERTER COMP 10 times - Upon COMP ERROR - When COMP ERROR occurs
F-FAN ERROR 11 times - F-FAN Restriction ERROR occurs
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