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Hello There,
Usually when a Miele canister just stops working all of a sudden, it's a lot
of the time caused by the cord reel going bad. The internal cord reel has a
metal spring that's used to get power from the cord, to the rest of the vacuum.
Over time this spring starts to loosen, and eventually will get so loose that it
will no longer transfer the electric current. This is the most common problem that I we see on Miele canisters. The good news is that this repair is fairly simple to diagnosis and repair.
In order to test and see if the cord is the problem, rewind the cord all the way back into the canister, and move the canister to the closest wall outlet. Now only pull out the cord far enough to plug it into the wall. With the vacuum plugged in, use one hand to slowly pull the cord reel out of the canister, and use the other hand to to continuously push the main on/off foot switch pedal on and off, on and off while you're pulling the cord out with your other hand. Does the vacuum motor make an sound like it's starting up, or does the motor come on at all while you're doing this? If it makes a noise like it's trying to start, this means that your cord reel is bad and needs to be replaced. If you don't hear anything while you're doing this, it still may be that the cord reel is bad, but it also may mean that either the switch or the motor could bad. In my 10 years of fixing Miele canisters however, I find that probably 70% of the time it's the cord reel that needs to be replaced.
If you need to purchase a cord reel to try and replace it to see if this fixes it (don't worry, we have an excellent
return policy if it's not the problem) , here's a link to the exact cord reel for your Miele:
Miele Cord Reel For S500 Series Models
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So once you have the cord reel, you'll need either a Phillips head screw driver
for the older S514 models, or a T20 Torx Screwdriver for the newer S514 model
vacuums. You'll need to remove the
hose, wand, and power
nozzle from the vacuum cleaner before you begin.
The first thing you'll wand to do is open up the bag housing,
and remove the vacuum bag, as well as the exhaust filter which may be either the
Cloth Super Air Clean Filter, or the HEPA Filter catridge which is blue in
color. If you're using the Super Air Clean filter, remove the filter, and then
remove the bracket that secures the filter in place as well. Simply pull
straight up on the bracket and it will come out.
Once the bag and the filter have been removed, you'll need to
take off the entire tool lid. While the vacuum cleaner is open so that you can
see into the compartment where the bag just was, you need to pry two arms from
the tool lid off of the main body housing. Simply put a screwdriver behind one
of the blue arms, and pry inwards. Here's a picture of what this looks like;
Once you have removed
both of these clasps, the tool lid will pull straight upwards and off, leaving
you with only the bottom part of the canister. This is how the vacuum cleaner
should look now;
Now you'll
need to remove the black speed control box from the canister. There is one screw
in the front of the black speed control box that needs to be removed. After the
screw has been removed, turn the vacuum cleaner around so that the back of the
machine where the cord reel goes into the vacuum is now facing you. If you look
where the black speed control box meets the bottom part of the canister, you can
see two clips that you'll need to release before the variable speed control box
can be removed. Simply put a screw driver and push in on the clip while lifting
the black speed control box at the same time. Here's where the clips are located
on the vacuum;
Ok, now that
the speed control box has been removed, it's time to separate the colored
plastic from the base of the vacuum cleaner. There are 7 screws that need to be
removed in order to get these housings separated. I have circled the location of
each screw in the picture below;
After removing all 7 screws, you can then simply pull upwards on
the colored plastic housing, and remove the housing from the base of the vacuum
cleaner so that the motor and cord reel are exposed. Once you have exposed the
cord reel, you'll need to remove the internal wires (white wire is in the higher
posistion, and to the left of the lower right side black wire), as well as the
rubber hose part. The rubber hose part simply pulls off, just like the wire
terminals do. After removing these parts, you'll need to remove one more screw
with your screw driver. Here's the picture of which screw needs to be
removed;
After the
final screw has been removed, you'll have to remove the rectangular shaped wire
harness that sits at the top of the cord reel. Pay close attention to how this
wire harness is correctly seated which will save
some aggravation when putting the vacuum back together. Here's a picture of the
wire harness that needs to be removed from the old cord reel;
Once the wire harness has
been completely removed from the old cord reel, you may simply pull up on the
cord reel and remove it. The new cord reel will come completely assembled, with
all the parts and compontents that your faulty cord reel had. You simply need to
line up the screw hole on the new cord reel with the hole in the bottom of the
base of the vacuum. When installing the new cord reel be very careful that you
don't pinch any of the wires down by putting the cord reel on top of them. The
wires have a specific place they go, and you'll be able to see the correct path
for these wires when paying close attention. Also remember to install the rubber
tube back onto the new cord reel as well. Once the new cord reel has been
installed, and screwed down, pull the plug out a little ways, and guide the plug
through the colored top housing first, then screw the 7 screws that hold the
upper housing to the lower housing back into to secure these housings together.
That's about all there is to that
repair! Please feel free to request a repair clarification if you have any
questions about the repair that I can help you with, I'm always more then happy
to help.
If this repair guide was
helpful to you, please click the thumbs up icon in the bottom right part of this
solution
to rate it has helpful.
Thank you so
much,
Chris Jones
GoVacuum
.
9 times out of 10 the cord reel needs to be changed. If you purchase
the cord from us, and it's not the problem you may return it up to 60
days later for a full refund, that's how confident I am that is what's
wrong with your machine. 
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