Hitachi RAK-25N5 Instruction Manual page 25

!
CAUTION
Cleaning and maintenance must be carried out only by qualifi ed service personal. Before cleaning,
stop operation and switch off the power supply.
3. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD
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.
●
REGU AR IN PE TION
PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONAL EITHER
EVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.
1
2
3
Confirm
Is the earth line disconnected or broken?
Is the mounting frame seriously affected by rust and is the
outdoor unit tilted or unstable?
Is the plug of power line fi rmly plugged into the socket?
(Please ensure no loose contact between them).
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Air
Blow