2-35. E: 94. Trip detection (Outdoor unit) ............................................................................03-48
2-36. E: 95. Compressor motor control error (Outdoor unit) ................................................03-49
2-37. E: 97. Outdoor unit fan motor error (Outdoor unit)......................................................03-50
2-38. E: 99. 4-way valve error (Outdoor unit).......................................................................03-51
2-39. E: A1. Discharge temperature error (Outdoor unit).....................................................03-53
2-40. E: A3. Compressor temperature error (Outdoor unit) .................................................03-55
2-41. E: A8. Refrigerant leakage sensor error (Indoor unit) .................................................03-57
3. Troubleshooting without error code........................................................03-58
3-1. Indoor unit—No power..................................................................................................03-58
3-2. Outdoor unit—No power...............................................................................................03-59
3-3. No operation (Power is on)...........................................................................................03-60
3-4. No cooling/No heating ..................................................................................................03-62
3-5. Abnormal noise.............................................................................................................03-64
3-6. Water leaking................................................................................................................03-65
4. Troubleshooting with error code (For wireless LAN adapter)...............03-66
4-1. E: 18. External communication error between indoor unit and WLAN adapter .............03-66
4-2. Wireless LAN adapter error ..........................................................................................03-67
4-3. Network communication error between wireless LAN router and WLAN adapter.........03-68
4-4. E: 18. Communication error..........................................................................................03-70
4-5. E: 18. Wireless LAN adapter non-energized.................................................................03-72
4-6. Mobile app setting method............................................................................................03-73
5. Service parts information .........................................................................03-78
5-1. Compressor..................................................................................................................03-78
5-2. Inverter compressor......................................................................................................03-79
5-3. Outdoor unit Electronic Expansion Valve (EEV) ...........................................................03-81
5-4. Indoor unit fan motor ....................................................................................................03-83
5-5. Outdoor unit fan motor..................................................................................................03-88
6. Thermistor resistance values...................................................................03-89
6-1. Indoor unit ....................................................................................................................03-89
6-2. Outdoor unit..................................................................................................................03-90
CONTENTS (continued)
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