This is because the machine didn't run the full cyce or the tray was
removed while the cycle was not completed. We found that the best way out of this was to re-insert the tray but without the used ground bin. The machine will dump whatever ground coffee directly in the tray but after that you will be able to remove the tray and put back the complete assembly including the used grounds bin.
This has happened to us with the Z5 also, and we have determined the machine didn't run the full cycle somehow. We get the tray back in by putting the grounds catcher in first, then slipping the tray under it. It's a bit of trouble, but the machine usually resolves the problem on its own. Hope this helps!
Exactly the same thing happened to our machine the other day but we sorted it by simply turning off the whole machine and unplugging it. When we turned it on again the problem sorted itself out. Guess you have already tried this but thought I would mention it.......
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take a long fingernail file that is a fine grit. hold it with a pair of needlenose pliers, and use it to clean the contacts in the back of the machine where the drip tray plugs in. You need to clean each contact top and bottom. you can tape the fingernail file to a ruler or pencil or whatever you need to so that you can reach the contacts. it is very tight as the opening is only an inch or so tall. dont go crazy with the file, just lightly touch each contact. also you can swap the two metal contacts on the drip tray. you will notice that they have little wear lines on them that are in different locations. if you swap them , they will be exposed to new surface. if that doesnt work, you may have an internal leak that is shorting the drip tray contacts from the back of the machine. If there is water back there, it is the same as the drip tray being full.
The white neoprene piece from the seal kit is on the bottom, then place the metal washer in and the bolt on top of it. Then insert the black plastic piece on top and insert into the sump area and tighten it down with a screwdriver. If you need further assistance, please call customer service at 800-352-2866.
Check behind the drip tray for coffee grounds. Make sure that your drip tray is locked in. If its not fully locked it, this could be your problem. If everything is removed but the brew unit, grab the handle without pushing the press button, and pull. If the brew unit comes out, it wasn't locked in. Put the drip tray in. Set the brew unit on the drip tray. Now slide the brew unit towards the machine with a little force and see if that locked it in?
Your brew unit is probably dirty and needs cleaning. However, it won`t always help just running the cleaning program. Try to clean out all the used ground that is stuck inside the brew unit; use your fingers or a toothbrush maybe. Then run the cleaning program. It may be smart to run the program once or twice after this too, but you don`t have to use the tablet everytime.
It is the grounds blade that holds the used ground container so you can`t get it out. This means that the brew unit stops in a wrong position, and don`t get back to grinding position before timeout. If you shut down the machine for a few hours, it usually moves back during startup. But of course; this indicates that you need to clean up inside...
Patti - I had the same problem yesterday with my E8. If you still have an issue, and have cleaned the tamper area like tech support will tell you to do, try this...Turn off the machine and remove the tray. Use your fingers to probe around the metal thing in the middle. You will find several areas where grounds accumulate. I found two areas in particular - one on each side of the center - where I had the motherload of old grounds. Remove all this, then clean out the chute where powder goes. Replace the tray, turn the unit back on and run a cleaning with no tablet. When it asks for the tablet, open the top door, wait a second, close the door and continue. If you got all the gunk out, you should complete the cleaning cycle with no issues. But seriously, you have to use your fingers for the clean out. You can't see, and q-tips don't work..so you have to feel around. Good luck and let me know how it goes.
If the machine says TRAY MISSING it's the contacts at the back so clean as other people have stated, you can also use a cardboard nail file to clean the contacts at the back if there really skanky!.
If the machine keeps saying EMPTY GROUNDS even though you have, pull out the tray, look just inside the aparture where the tray goes top right at the front there is a small slot where if you look closely you can see a small white micro switch. This will be probably gunged up with coffee and the switch will be stuck up, get a can of WD40 and squirt a small amount up into the switch then poke the switch with a small screwdriver up and down until it moves smoothly.
Then replace all the bits, sit down, look smug and have a coffee cos you've fixed it!! :0)
After I cleaned the tabs really well, I still had the same problem. So, I took the back off so I could get to the "switches" that close the feedback circuits for the "Trays Missing" and "Clean Trays" messages. Long story short, you DON'T need to take the back off. You can solve the problem if you remove the trays and carefully remove the right side metal tab. This will stop the false readings, at least it did for me. Save the tab if for some reason you need to it later.
To remove the right side tab, use something like an eye glass screwdriver or butter knife to pry it up and out of the two small holding tabs. Then rotate the metal tab up and away from the tray and it will fall right off. Pictures below.
aye that is true if you click the coffe making button directly after you have had it out you will be able to make a cup, as the machine has a 2 second response time.
Ok here is what i think:
As it registers the driptray I dont think its the sensor to it.
More i would think that its the CPU card that is not responding to that its clean.
I am sry but I have to ask this:
When it says emptie the driptray are you actually taking out the container that is located under the brewing unit, and not the "drip tray" were you put the coffe mugs?
Also when i think i have a sensor problem I allways take out everything. Brewing unit, dripwater container, dregbox, and the watercontainer. and have it out for atleast 2 minutes ( clean it under the mean time) and put it back again.
As I dont have the machine infront of me i cant be certain:)
The solution was referenced in one of the earlier postings but I wanted to clarify in case people are misunderstanding. The two metal contacts at the back of the machine insert into the wall of the machine and tell the coffee maker that the tray is inserted. Sometimes the big, flat, readily visible portion of these contacts get dirty and I think people are focusing on this portion of the contacts. However, the metal contacts also bend down into the tray where they can detect water (basically if there is enough water or material to conduct between the two contacts then the machine tells you to empty the try). This is the portion where you need to focus on cleaning, down in the tray, between the narrow plastic valley at the back of the tray. It will require Q-tips or something to really push down into the tray to clean away from the contacts. I did not have water in the tray but had enough moist old coffee grounds that it was causing the issue. I cleaned this area with water, a toothbrush and Q-tips and ensured it was very clean and dry. I have not seen the issue again in months (my coffee maker is three years old, gets used daily and we keep it relatively clean, but this is the first time we've gotten this error).