Owner's Manual

23
ENGLISH
EXTERIOR AND DUST SENSOR CLEANING METHOD
Exterior and dust sensor
cleaning method
Wipe the exterior of the unit with a
soft cloth using warm water and a mild
detergent.
• Do not use harsh cleaners or very hot
water. Do not wash in the dishwasher.
• Never pour water onto the unit;
it could damage the internal
components and create a shock and
fire hazard.
CAUTION
Dust sensor cleaning method
The dust sensor is a device that senses
the minute and large dust particles. The
lens part must be periodically cleaned to
maintain the performance.
1. In case of under operation, be sure
to OFF the power supply.
• Open the front panel by pulling it
forward.
Front Panel
2. Open the dust sensor cover. Wash
the sensor filter and dry the filter
properly.
3. Wipe the lens of the dust sensor
with a cotton stick.
• After cleaning the lens, close the cover
of the dust sensor in the reverse order.
Dust sensor lens
• Clean the lens of the dust sensor
once every 6 months.
But the cleaning frequency can differ
according to the using environment
and time. So in an environment where
it is dusty, clean more frequently.
CAUTION
EXTERIOR AND DUST SENSOR CLEANING METHOD