First Check the simple things, Look in your Owners Manuel and see if your unit has a pump belt that may be broken. IF thats not the problem read on.
I Have a Bissell that had the same exact issue and i found out by taking appart my unit to fix this issue. My Unit has an Heater to heat the mixture before spraying this onto the surface. over a peried of time, i found that a build up has formed where the liquid exits the heater to go to the spray heads. I took off my cover, removed the hose that goes into the heater and put some air pressure behind it, approx (60 PSI) worked nicely. IT cleaned out the mess, i then added CLR to the hose which was very dificult but i found that a medicine droper worked nicely, and flushed it out to removed the disposits, IF you DO NOT have a air compressor, Go to your local retail store and purchase a can of (air in a can) you know that stuff you use to clean your computer and keyboard. That will also WORK nicely and the tube is the correct size to fit into the hose. (shoot it in short Bursts, otherwise you will freeze your line) Wether you have a heater or not. the chemicals all combine together at some point and thats where the clogs normally are found. IF you do attempt to take apart your unit remember to unplug it FIRST!!!!!!! I spent about an hour taking my unit apart, Mose screws that come off of vacumes and carpet cleaners are all the same for that unit.
The only tools i needed to remove the cover was a decent phillips screw driver , needle nose plyers and a bowl to put the tiny screws in so i dont lose them.
Important
Attempting repairs can be dangerous.
In many instances work should only be undertaken by a qualified professional, but they can be expensive.
Marc E./ FireFightermarc911@Yahoo.com, February 2006
