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I hope this Jura F90 dismantling guide may offer some clues for
your E-series machine.
Before you start remind yourself of the risks. In case of a mess up,
below I've listed a firm selling spares in Europe. In the UK it is
assumed that it you can afford the BMW of coffee machines, you can
afford to fix and service it too. However I haven't tried any of the servicing firms so they, and yours could be really, really helpful and cheap.
You will need about 4 different torx; hexagonal and possibly unique screwdriver
bits to remove all screws. A plastic pry tool (used for mobile phones)
will help where plastic lugs hold on the side and top panel.
Empty beans; water store and remove the waste tray. On the Jura F90 use
pliers to undo two oval headed screws at the back at the top. You'll be
able to remove the top panel after using a pry tool to disconnect two
lugs at the front edge.
You don't want to dismantle the coffee grinder and its hopper. Retain
the hopper's rubber seals or glue them in place before you lose them as I
did. Four screws hold the central back panel. Slide out a white key
underneath the machine (can't recall how crucial this was).
The side panels are removed by using a pry tool to release lugs all down
the edge where these panels meet the front. Work slowly to manoeuvre
the side panels off. If you simply want to clean the brewing unit
externally then just remove the panel on the water side.
Find the water inlet just where the water tank sits. A screw here allows
you to remove a plastic piece - but take a photo of how it slots in.
This gives access to the lower end of the brewing unit. If the plastic
piece is still it the way, you can ease off the water pipe from the
water inlet and put it aside.
A number of different brands are made by one firm and branded. Thus the
guts of these machines are similar. The brewing unit in the Jura F90 is
almost identical in many machines. The screws and attachment places are
different. The water inlet and valve are different. Cleaning the parts
you can now see may fix a Malfunction 8 without removing and dismantling
the brewing unit. The machine is partly operable in this state - cover
the exposed electrical connections and remind yourself of the danger
here. Thus you can switch off the power when the brewing unit's white
wheel is at the top and then at the bottom. In this way you will get
access to places causing any jam. You might just need to clear the inner
chamber and path for two plungers with two large O-rings. You can see
the water inlet nozzle with its o-ring which can perish and cause coffee
or water to go to waste. Silicone grease only where the O-rings slide.
Leave the other plastic parts ungreased. As I said you might get away
with not disassembling the brewing unit. You can however buy a
maintenance kit or a new brewing unit from the shop below.
You will want to avoid removing the nylon water pipes - unless they're
actually leaking. These pipes are held in place with a wire clip (remove
with a flat head screwdriver). Ease the nylon pipe with its brass
collar out of its socket. The pipe goes into an O-ring in the pipe's
socket - this might fall out.
Removing a brewing unit is like removing a car engine. The link at the
shop below has a pdf (Anleitung_Jura_E.pdf) There is no need to force
anything. On the Jura F90 the brewing unit is removed by undoing two
obscure screws from the coffee grinder side. I had difficulty removing
these and I wish I had taken time to find the right tool instead of
wearing down the screwhead.
On the electronic side there's an optosensor (encoder) unit held in
place with a steel clip. You might remove this to access one of the two
screws. At the bottom of the brewing unit, the water inlet valve is
fixed to the machine with a single screw. Next, on the water tank side,
you'll see two lines of screws that hold the assembly in place. The
middle screws of the screws allow you to separate the unit from the
gears. The top two holes don't have screws.
Coffee machine spare part supplies are not as common in the UK as they
are in mainland Europe. You'll find this web useful because of the
pictures: www.kaffeemaschinendoctor.de is a German web shop for machine
spares AND there's a pictorial of how to dismantle the Jura F90 as a
pdf. Google will almost translate it). Juradoctor.de also carry lots of
spares but don't seem to ship to my country.
I just figured this out on my machine, I should have taken pictures but i didnt :( this problem seams to pop up whent the elevator that moves the brewing unit up and down gets its starting position mis aligned, since the machine does not have sensors to re adjust the alignment the motor will pull the elevater down even if it cant go further and that seams to cause the nasty noise we were hearing.
1. unplug machine 2. remove the side and back covers 3. remove tray and brewing unit from inside (2 red buttens you press together) 4. remove the bracket that holds the brewing unit (2 hex screws) 5. below the brewing unit bracket is one more screw, it holds the motor unit and elevator on the back of machine, remove this screw. 6. on the back pull out the motor unit with elevator. 7. realign elevator starting position by turning the bottom wheel that is connected to motor via belt, it might feel a bit stuck first as motor has ower tightened the elevator.
The back of the elevator looks like a step ladder with screw going up the middle, for me it worked best to align the bottom of the traveling bracket with the bottom step on the ladder i recomend trying that position and then adjusting if nessesary.
8. reasemble the machine and continue to enjoy exelent coffie
If you open the door and take a flashlight, light in the front/middle of the brewing unit. You will see a little screw, take a screwdriver and loosen it, bend little on the little plastic above where the screw was and pull out the brewing unit. When you have the brewing unit out then you need to reset the machine and brewing unit.
To reset the machine you have to turn off your machine, open the door. Look in the down left corner, you will see a hole, look in the middle of the machin you see another hole and in the upper right corner. put a screwdriver or similarly in the left corner and in the middle of the machine, turn on the machine and put another screwdriver in the upper right corner. hold it in place to the machine not get any noise more.
To reset the brewing unit, first put the plastic back again (that one you loosen with the screw first). If you look back on the backsida of the brewing unit, in the middle you will see a plastic that looks lika a handle, force it down and you will see all the other parts will move around little. Turn it to you can see the little mark on the front goes to the N mark.
Hi, I think this is something I encountered once. Try this: 1. Shut the service door 2. unplug the machine, wait for any of the shut down noises to stop 3. plug the machine back in, wait for any noises to stop 4. check to see if everything is back in order
The most important thing is to keep the service door shut, and all the parts, ground basket, drip tray etc. in place. The mechanical will only operate with these things in place.
Ran into this same problem this week - brew /infuser unit is stuck at the bottom of the machine and it doesn't seem to want to move. Cannont replace the drip tray/grounds catching container. After speaking with Sam a wonderful customer service rep at DeLonghi (866-528-8323) I learned the following that saved me from having to send the machine in for repair which could take 2-3 weeks.
Make sure that the machine is unplugged before attempting this repair process.
Open the front door of the machine so that you can see the brew unit.
Take the grounds catching container only (without the drip tray) and put it into position where it would normally be seated.
Carefully try closing the front door.
If the door will not close with the container in position, carefully reach under the door and apply gentle pressure to lift up on the container so that the door can then close.
Plug your brewing machine in. It should power on and then make an internal adjustment which will raise the brew/infuser unit up enough to then be able to once again replace the drip tray and grounds container back into position.
If it does not raise high enough, try unplugging the machine again, wait about 5 seconds and then repeat the same process just described.
Once you are able to replace the tray and container, power the machine on.
Have a cup ready to place under the dispenser as it will release water and coffee as it preps itself for operation again.
Hope this helps those of you who are experiencing this same scenario.