Hitachi RAS-60YH7 Service Manual page 28

CAUTION
!
Cleaning and maintenance must be carried out only by qualifi ed service personnel. Before cleaning,
stop operation and switch off the power supply.
3. MAINTENANCE BEFORE LONG OFF PERIOD
● Run the unit by setting the operation mode to
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.
REGULAR INSPECTION
PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONNEL EITHER
EVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.
1
2
3
(COOL),
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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