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4. Insert the replaced or cleaned
HEPA filter.
5. Turn it counter-clockwise.
Check if the cover of the HEPA filter
hermetically installed.
There is a temperature controller on the engine frame of the vacuum cleaner,
which cuts off the power supply of the engine to prevent overheating. If some
large pieces of garbage get into the hose or the extension pipe and block the
air flow, the temperature in the engine rises and the temperature controller
cuts off the engine power supply to cool it off.
If the temperature controller has cut off the power supply, immediately pull
a plug out of the socket, and take out the garbage that blocks the air flow. After
the engine has cooled off for 30 minutes, put a plug into a socket and check
if the temperature controller has reset. If you didn’t pull a plug, the temperature
controller is not going to reset even if the engine has cooled off.
PROTECTIVE ENGINE SYSTEMS
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