The on-off switch to start and stop your vacuum is on the hose handle. There is a 3-second delay before the vacuum shut down completely.
See document below that explain when your LED light will change, what it means and what action should be taking
This happens when the vacuum is not well hung.
Please, look at this document to see how it should be hung properly
If your unit doesn’t start or stop, please look at this document to see the possible problem.
This must be because the piping installation was reversed.
Please refer to this document to know how the piping must be installed.
If your unit surges, you must follow these steps to find the problem.
Refer to this document to know the steps to fix the problem.
Refer to this document for the step to follow to reset your PC board
Look at this document to know the steps to follow if you have no more power on your unit.
IT’S NORMAL, there is always a gap because it takes space so that the piping is not too narrow in the air intake to avoid any damage.
Please refer to this document for more explanation
To know how to do a vacuum bypass, please refer to this document