– 38 –
1
2
3
REGULAR INSPECTION
PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONNEL EITHER 
EVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.
Is the earth line disconnected or broken?
Is the mounting frame seriously affected by rust and is the out-
door unit tilted or unstable?
Is the plug of power line fi rmly plugged into the socket?
(Please ensure no loose contact between them).
Cleaning and maintenance must be carried out only by qualifi ed service personnel. Before cleaning, stop 
operation and switch off the power supply.
!
CAUTION
3.   MAINTENANCE AT BEGINNING OF LONG OFF PERIOD
Air
Blow
Confi rm
●  Run the unit by setting the operation mode to   (COOL), 
the temperature to 32°C and the fan speed to HI for about 
half a day on a fi ne day, and dry the whole of the unit.
●  Switch off the power plug.
RAS/RAC-S50/60YHAB-EN SOFT.indd   38RAS/RAC-S50/60YHAB-EN SOFT.indd   38 2022-10-28   4:35 PM2022-10-28   4:35 PM