20 Most Recent Bissell 1631 PowerSteamer ProHeat Canister Vacuum - Page 9 Questions & Answers

There are a few models to select from to get yours but here is a link to the website to download (free) a service manual and troubleshooting guide, the really thorough kind, for your resolve... http://bissell.manualnguide.com/manual-bissell-proheat-2x

Check that the tank and the nozzle cover are properly installed. If the motor is running, it should be sucking. If it's not, there is a seal that isn't sealing

First remove the hose and place your hand instead of the hose then start tha machine. If your hand is suck by the machine only your hose is the problem. Clean your hose by filling it with water and see what will come out at the other end of the hose. If water and some dirt comes out, wait until pure water only comes out. If water and debris not coming out of the hose, use a flexible wire or rod to push the debris blocking the hose.

Something is bassackwards. Try to disassemble and reassemble correctly. Or take it to be serviced.

I would sugguest you go for a screening

the most likely perhaps one of the brush or both have a problem

Return it for a new one that works. You paid for new one that worked and that is what you should get.

There is a solenoid that activates when you press the trigger and allows water to flow. If it isn't stopping, you most likely have a bad solenoid. Take it to your local vac shop for repair.

Here is a link: https://www.bissell.com/support/helpful-resources/how-to-videos

Bissell web site has several manuals: https://bissellmedia.azureedge.net/-/media/site-us/documents/user-guides/86t3/bissell_user_guide_big_green_carpet_cleaning_machine_86t3.pdf?la=en&modified=20151201085908&cdnv=2

most possible or a wire or the suction motor have a damage. take it in a repair shop

The roller is probably propelled by a belt that needs to be replaced with a new tighter one.

https://www.mumsnet.com/Talk/housekeeping/604039-washing-machine-sounds-like-there-is-something-metal-loose-insidehttps://removeandreplace.com/2015/07/27/washing-machine-making-noise-during-the-spin-cycle-how-to-fix/https://www.espares.co.uk/advice/careandmaintenance/how-to-diagnose-drum-problems-in-a-washing-machinehttps://www.appliancesonline.com.au/academy/laundry/6-common-washing-machine-problems-and-how-to-solve-them/

Go here and start searching https://www.bissell.com/support/user-guides Although I could not find anything under power flex ... Sp you may need to read the model number off the mfg plate on the vacuum ... and search on that

find a video on how to disassemble this on youtube and you may learn a little about how it works, how to take it apart, and most likely clean anything that causes this problem and put it back together.

that would be the first item to check.