It doesn't seem like I'm getting much use out of my vacuum bags, and they're quite expensive. Of course, if I want to lower the suction power to 500-750, then the indicator isn't fully "red," but I've also lost suction power. I have a navy blue carpet, and it shows every speck of lint, so I need the power at 900 to 1100 or I'll be vacuuming over the same spot a dozen times to get everything up. Is there something else I can do to make the suction power high and the bag last longer? Is this something to do with a filter I'm not seeing or that needs changing?
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Re: my Miele vacuum full bag indicator
Check the suction at the vac, without the hose, if it is strong, then you hose is clogged. If it is weak, filters could be the problem, one is the back where the bag sits, the other is on the top, you can see it when you raise the lid.
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Vacuum cleaners usually pop the 'bag full' indicator when they lose suction due to the load of dirt in the bag impeding the motor pulling air through.
If you are still getting the indicator with a new bag, and already did the prudent re-seating of the bag, the next thing is likely a clog or blockage elsewhere in the vacuum. You don't specify the model, so I can't be too specific.
Safety first. Please please please make sure the unit is unplugged before you start disassembling.
As you are able, detach hoses, look in the back of the brush unit, see if there's a blockage. Wads of crumpled paper are particularly good at wedging themselves into corrugated flex lines. Depending on location, I've found that a wire coat hanger, bent into marshmallow-roaster configuration, with the old hook bent with some pliers into a long straight section with a small half-loop at the end, can be a good probe for the long sections of tube to see if it runs into anything, and then perhaps hook it and pull it out. Be careful if you do this to not hook the tubing walls and tear them.
Check to see that the bag mounting bracket and torsion spring are in place, the bracket will be either a dark graphite color like most of the vacuum or green. If you only have a protruding tube where you put the bag on, then your bag mount have come off and you should order a new one; very inexpensive and it comes with a new spring.
Give the vacuum time to coold\ down, then try again. If it still doesn't work, take it to a repair shop to be checked.
When a vacuum is used for long after the bag is full, the motor can overheat to the extent that the motor burns out. This is one of the benefits of having a vacuum that shuts off when the bag is full.
You should also check the hose for clogs. Disconnect at both ends and drop a coin in one end. If it fails to fall through, there's a clog that needs removed. This is likely to happen at the canister end when the bag gets too full.
I would say that you have a slight clog in the hose or in the power nozzle somewhere. The full bag indicator is just a guage that will indicate full when it feels like it's lost suction. Example: If you were to take the hose and cover it with your hand, you'll notice that bag full indicator will show full.
To check and see where the clog in the vacuum is, remove the wands and floor attachment so you just have the hose on the vacuum cleaner. With just the hose attached, turn the vacuum cleaner on. Does it still show a full bag? If yes, then remove the hose completely from the vacuum cleaner so it's just the canister part by itself and turn on the vacuum again. If the bag full indicator is now showing an empty bag, this means that you have a clog in your hose.
If the bag full indicator displayed an empty bag when you had the hose on the vacuum, but shows a full bag when you have the wands and floor tool attached, this means that you have a clog in the vacuum either in the wands, or the floor attachment.
For removing clogs from the hose, the quickest way is to just purchase a plumbers snake at your local hardware store, and run the snake through the hose until you find the clog. You may also take a high pressure hose and spray it down the hose until the clog is cleared, but if you use a water hose, MAKE SURE the hose is 100% dry before you use it again.
Also that bag full indicator can be adjusted if you are getting a lot of suction power and it still shows full.
I hope that these suggestions helped you diagnosis your Miele canister to figure out why the indicator showed full. If this helped you please rate my repair helpful.
Feel free to contact me if you need further assitance, I'm always happy to help.
The old style bags are not available any longer. The new HyClean bags have a larger capacity then the original style. You get the same amount of capacity out a box of the new bags as you did the box of the old. I know they are still expensive. I would recommend calling an internet company and trying to buy a quantity of bags at a time to see if you can get a little better price.
I suggest checking the filter. If it's coming from the HEPA filter area, the filter might be out of position or possibly you have the wrong kind of filter. Miele uses 2 different types of HEPA filter so that could be the problem.
There is an electronic circuit board on the motor that may have gone bad and will have to replaced, part # 06836740 and sells for around $75.00, for model S516. But if this a S316, then it could be the speed control mounted on the motor, Part # 04416342 and sells for around $83.00. Both of these models are Cat Naad Dog so you need the model number berfore you order a part.