SkyAir Series Si20-701_B
i
1. List of Applicable Models .................................. 1
2. Symptom-based Troubleshooting ................... 29
2.1 Overview ............................................................29
2.2 Equipment does not Operate .............................31
2.3 Indoor Unit Fan Operates,
but Compressor does not Operate ....................33
2.4 Cooling / Heating Operation Starts but Stops
Immediately .......................................................36
2.5 After Unit Shuts Down, It cannot be Restarted
for a While ..........................................................38
2.6 Equipment Operates but does not Provide
Cooling ...............................................................41
2.7 Equipment Operates but does not Provide
Heating ..............................................................44
2.8 Equipment Discharges White Mist .....................47
2.9 Equipment Produces Loud Noise or Vibration ...49
2.10Equipment Discharges Dust ..............................52
2.11Remote Controller LCD Displays "88" ................53
3. Troubleshooting by Remote Controller ........... 54
3.1 Procedure of Self-diagnosis by Remote
Controller ...........................................................54
3.2 Error Codes and Description .............................59
3.3 Detailed Error Codes .........................................73
3.4 A0 Error of External Protection Device ...............79
3.5 A1 Indoor Unit PCB Abnormality ........................81
3.6 A3 Drain Water Level System Abnormality .........83
3.7 A6 Indoor Unit Fan Motor Abnormality ...............86
3.8 A6 Fan Motor (M1F) Lock, Overload ..................96
3.9 A7 Swing Flap Motor Abnormality / Lock ............98
3.10A8 Abnormal Power Supply Voltage ................100
3.11A9 Electronic Expansion Valve Coil (Y1E)
Abnormality ......................................................102
3.12AF Drain System Abnormality ...........................105
3.13AF Drain Level above Limit ...............................107
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