Central vacuum troubleshooting

We have a reliable house inspector in our family who has been sending jobs our way. We have never dealt with a central vacuum system but we found the problem after testing a couple of possibilities. 

It turned out to be a rip in the bag that caused some stuff to get through to block the air flow which significantly decreased sucking power 

 Sean taking the unit apart

Sean taking the unit apart

 The view looking up the unit- blocked by dust and other stuff    

The view looking up the unit- blocked by dust and other stuff 

 

 So we cleaned that up and ensured that the filter bag wouldn't allow anything else to get past it.  

So we cleaned that up and ensured that the filter bag wouldn't allow anything else to get past it.