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Part 4 Trouble Shooting
1. 2-Way, 3-Way Valve ........................................................................................................21
2. Pumping Down ..............................................................................................................22
3. Evacuation (All amount of refrigerant leaked) ............................................................23
4. Gas Charging (After Evacuation) .................................................................................24
5. Cycle Troubleshooting Guide .......................................................................................25
6. Electronic Parts Troubleshooting Guide......................................................................26
7. Self-diagnosis Function.................................................................................................30
Summary of Contents for AS - W126BMS0
Page 3: ...3 1 Safety Precautions 4 2 Nomenclature 7 Part 1 General Information...
Page 16: ...16 Part 3 Test Run 1 Check before Test Run 17 2 Test Run Flow chart 18 3 Test Run Detail 19...
Page 37: ...Part 4 Trouble Shooting 37 Troubleshooting Guide Indoor Unit...
Page 41: ...Part 4 Trouble Shooting 41 verify with hands verify with hands...
Page 46: ...Part 4 Trouble Shooting 46 3 CH23 DC Link Low Voltage Error...
Page 51: ...Part 4 Trouble Shooting 51 8 CH40 CT Sensor Error Open Short Tester Tester...
Page 53: ...Part 4 Trouble Shooting 53 10 CH53 Outdoor Unit Indoor Unit Communication Error...
Page 56: ...Part 4 Trouble Shooting 56 13 CH62 Heat Sink Overheat Error...
Page 59: ...Part 4 Trouble Shooting 59 Resistance between the lines of each 1 5 2 1 5 2 1 5 2 U V V W W U...
Page 61: ...Part 4 Trouble Shooting 61 3 CH23 DC Link Low Voltage Error...
Page 67: ...Part 4 Trouble Shooting 67 9 CH53 Outdoor Unit Indoor Unit Communication Error...
Page 68: ...Part 4 Trouble Shooting 68 10 CH60 Outdoor Unit PCB EEPROM Error...
Page 71: ...Part 4 Trouble Shooting 71 13 CH67 Outdoor BLDC Fan Lock Error...
Page 72: ...P No MFL41161608...