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Only for training and service purposes
LGE Internal Use Only
1. Checking Key Components of Indoor Unit......................................50
1.1 Flow Switch ...............................................................................................50
1.2 Water Pump ...............................................................................................51
1.3 Electric Heater...........................................................................................52
1.4 Control Panel.............................................................................................53
2. Checking Key Components of Outdoor Unit...................................54
2.1 Compressor...............................................................................................54
2.2 Fan Motor ..................................................................................................55
2.3 Electronic Expansion Valve .....................................................................56
3. Self-Diagnosis Feature......................................................................59
3.1 Concept of ‘Classified Trouble’ ...............................................................59
3.2 Error Code List..........................................................................................60
4. Trouble Shooting Guide ....................................................................62
3.1 Concept of ‘Classified Trouble’ ...............................................................63
3.1 Concept of ‘Classified Trouble’ ...............................................................64
Trouble Shooting
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