LG RNU09GTRE4 Series - Page 3

MAINTENANCE
Cleaning..................................................................................................... 20
Cleaning Interval ................................................................................................20
Cleaning the Air Filter ........................................................................................21
Cleaning the PM1.0 Sensor...............................................................................27
Tips for Maintenance ............................................................................... 27
Before Long Periods of Disuse .........................................................................27
After Long Periods of Disuse ............................................................................28
TROUBLESHOOTING
Before Calling for Service ........................................................................ 29
Operation ............................................................................................................29
Performance .......................................................................................................32
Wi-Fi .....................................................................................................................33
Calling for Service .................................................................................... 33
Situations in which Calling for Service is Necessary ......................................33
APPENDIX
Information............................................................................................... 34
Specifications......................................................................................................34
Specifications......................................................................................................35