EXTERIOR AND DUST SENSOR CLEANING METHOD
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ENGLISH
EXTERIOR AND DUST SENSOR CLEANING METHOD
Exterior and dust sensor clean-
ing method
Wipe the exterior of the unit with a soft
cloth using warm water and a mild deter-
gent.
2. Open the dust sensor cover. Wash the
sensor filter and dry the filter prop-
erly.
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 re-
verse order.
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 for-
ward.
CAUTION
• Do not use harsh cleaners or very
hot water. Do not wash in the dish-
washer.
• Never pour water onto the unit it
could damage the internal compo-
nents and create a shock and fire
hazard.
!
CAUTION
• Clean the lens of the dust sensor
once every 6 months. But the
cleaning frequency can differ ac-
cording to the using environment
and time. So in an environment
where it is dusty, clean more fre-
quently.
!
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