PROFECO 42670 Instruction Manual page 24

l. Do not collect objects that can easily adhere to the filter, such as lime powder,
gesso, and graphite powder. This is because this block ventilation and
damage the engine.
m. Do not tilt the machine as water may enter the motor and damage it.
5. Protection device (water valve)
a. When the water in the vessel is full, the appliance starts working. The suction
power will disappear at that point. The unit will make some noise indicating
that the motor is running at high speed. Under these circumstances, switch off
the power and remove the water.
b. The water valve blocks the air intake inside, causing the abnormal noise when
the unit is turned over. Please correct this in time.
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