9.12 Timer function..................................................................................................................................................28
9.13 Sleep function mode........................................................................................................................................29
9.14 Auto-Restart function.......................................................................................................................................29
9.15 Ionizer/Plasma dust collector function(optional) ..............................................................................................29
9.16 Outdoor chassis heating cable (optional).........................................................................................................29
10. Troubleshooting................................................................................................................................... 30
10.1 Indoor Unit Error Display .................................................................................................................................31
10.2 Diagnosis and Solution....................................................................................................................................33
10.3 Key parts checking. .........................................................................................................................................36