Troubleshooting
12-7Samsung Electronics
Remarks
Relevant indoor unit error display
(Display at only the indoor unit
under the operation)
There is the separate display for
the outdoor unit.
(Display at only the indoor unit
under the operation)
LED LAMP
Display
Operation
Defrost Timer Fan Filter
Error Action
Self diagnosis error display
(Includes not detecting indoor units)
1. EEV close status defect
2. EEV open status defect
3. EVAP OUT sensor breakaway
4. EVAP IN sensor breakaway
5. COND MID sensor breakaway
6. Refrigerant complete leakage 2nd detection
7. COND high temperature 2nd detection
8. DISCHARGE high temperature 2nd detection
9. Low pressure switch 2nd detection COMP DOWN
10. Reverse phase detection error
11. Freezing 6th detection compressor stop
12. Compression sensor self diagnosis (G8, G9)
13. Compressor down error by compression ratio
control
Plot switch detection
Peripheral control device option setting error
EEPROM error
EEPROM option error
Indoor unit for 10 HP private use option setting error
On Blink Off
✳ When stopping the operation during an error is displayed, all lamps are off.
✳ When restarting after stopping an operation, redisplay the error status by deciding the error again on normal operation.
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