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Contents
8. Operating Instructions 43
8-1 Name of Each Part 43
8-2 Wireless Remote Control-Buttons and Display 45
9. Troubleshootin 47
9-1 Items to be checked First 47
9-2 Communication Error 48
9-2-1 Communication Error 48
9-2-2 Indoor temperature sensor Error 49
9-2-3 Indoor fan motor speed detecting error (BLDC fan) 50
9-2-4 Outdoor temperature sensor error 51
9-2-5 Outdoor Cond temperature sensor error 52
9-2-6 Outdoor Discharge temperature sensor error 53
9-2-7 Operation condition secession error 54
9-2-8 EEPROM error/OTP error 55
9-2-9 Outdoor Fan motor error 56
9-2-10 Compressor starting error 57
9-2-11 Compressor wire missing error/rotation error 58
9-2-12 Current sensor error/Input current sensor error 59
9-2-13 O.C(Over Current) error 60
9-2-14 No power outdoor (Initial Diagnosis) (Not displayed) 62
9-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate 63
9-2-16 When the remote control is not receiving 64
9-2-17 Smart Install error 65
9-2-18 Outdoor OLP over temperature error (One way Inverter Only) 66
9-2-19 EEV or VALVE CLOSE error (C422) 67
10. Block Diagram 68
10-1 Indoor unit 68
10-2 Outdoor unit 69
11. Reference Sheet 72
11-1 Low Refrigerant Pressure Distribution 72
11-2 Pressure & Capacity mark 72
11-3 Q & A for Non-trouble 73
11-4 Cleaning /Filter Change 74
11-5 Installation 79
11-6 Installation Diagram of Indoor Unit and Outdoor Unit 80
11-7 Reference sheet 82
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