HOFFEN AD-9536-A, Инструкция по эксплуатации

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The device does not contain any user-serviceable parts.
Do not attempt to repair the device on your own. Always
have a specialist perform repairs.
Problem Reason Solution
The device does
not start, does
not emit mist
The USB cable is not
connected properly
Connect the USB cable
properly
The device does
not emit mist
The water tank is empty Add water to the tank
The diffuser is new
Place the open water tank in a
shaded place for 12 hours
The device
emits an unple-
asant odour
The device was filled
with water but not used
for an excessively long
period of time
Clean the water tank and refill it
with fresh clean water
The device
emits only a
small amount of
mist
The ultrasonic transdu-
cer is dirty
Clean the ultrasonic transducer
The device was filled
wtith water but not used
for an excessively long
period of time
Clean the water tank and refill it
with fresh clean water
The device ma-
kes too much
noise
Not enough water in the
water tank
Fill the tank with water
The table/desk top or
other surface on which
the diffuser was placed
is resonating
The table/desk top or other
surface on which the diffuser
was placed is resonating. Place
the device on a stable surface
9. REPAIR AND MAINTENANCE