Midea MSC-09HRDN1-QD0(E) Service Manual page 3

9.9 Forced operation function.................................................................................................................................. 31
9.10 Action of 4-way valve....................................................................................................................................... 31
9.11 Two speeds outdoor fan function ..................................................................................................................... 31
9.12 Timer function.................................................................................................................................................. 31
9.13 Sleep function mode........................................................................................................................................ 31
9.14 Auto-Restart function....................................................................................................................................... 32
9.15 Ionizer/Plasma dust collector function(optional) .............................................................................................. 32
9.16 Outdoor chassis heating cable (optional)......................................................................................................... 32
10. Troubleshooting....................................................................................................................................... 33
10.1 Indoor Unit Error Display ................................................................................................................................. 34
10.2 Outdoor Unit Error Display............................................................................................................................... 34
10.3 Diagnosis and Solution.................................................................................................................................... 36
10.4 Key parts checking. ......................................................................................................................................... 39