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DeLonghi EAM4500 My machine seems to have had its pump go bad. It made the sound that pumps make when the go out then from there on out gives a Generic Alarm, I talked with the DeLonghi Service center and we tried all the ways to reset the machine to no avail. The nearest service center is about 250mi from where we live. Is it possible to order and replace the pump ourselves or might there be something else wrong with the machine. BTW, yes the machine is very clean.

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 22 Answers

SOURCE: delonghi bar 18 oump driven esp maker won't pump water

It may be a stupid suggestion but have you checked the strainer in the reservoir? It Could be blocked. And if you haven't removed the brew head sieve recently? It could be gunked up.

For cleaning it's best t use citric acid packets sold in stores as it hurts the metals inside the tank the least, but in a pinch you can use vinegar, although it's much more corrosive and could hurt the machine.

When using a cleaner remove the brew head sieve, as a lot of junk will collect and can block the sieve, with resulting no flow for brewing.

Hope this helps!

Posted on Mar 22, 2010

  • 910 Answers

SOURCE: I have a Delonghi eam4500 espresso maker with the

This fault is normally down to one of two things.

1) Motor Controller PCB Part No. 5232104400
2) Main Pump Part No. 5132107000

The first thing you can check is the Motor Controller PCB but from memory I can't remember where it's located.

If you remove the rear of the unit you will see the motor that raises and lowers the brewer unit. If you trace the cables from this then thats the PCB you're looking for. Check for any obvious signs of damage or scorching/arking.

If this looks OK then the fault is with the Main Pump.

I'm having difficulty finding anyone that currently sell these part but I'll keep looking. I'm finishng in 30 minutes for 8 hours so if I can ask that you wait till after this time to post a response on your findings.


Cheers

Andy

Posted on Jul 11, 2011

  • 28 Answers

SOURCE: DeLonghi Rialto Expresso Machine EAM-4500

Posting my comments again as I'm not sure they are getting through...

I had the same Generic Alarm problem and it turned out to be the thermal fuse associated with the frothing (i.e. the "U"-shaped) boiler. The part is available on-line here: http://www.ereplacementparts.com/tco-p-695163.html

As a proof that this is indeed the failure in my machine, I bypassed the fuse and confirmed that the machine works if the fuse were there. I've also confirmed that the old fuse is blown (i.e. open-circuit). I can't recommend my temporary fix (a nail as a fuse replacement) but I have enjoyed the coffee while I wait to put in the new fuse :)

If I can, I'll take pictures as I put in the new fuse and post them here.

Posted on Aug 15, 2011

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2 Answers

I have ran hot vinegar water through, it sounds like it is laboring to "bring the water up" is the sound.. it takes a long time & it seems not enough pressure to force water through the coffee.


Could be several things.
  • In the bottom of the water tank is a spring loaded "valve" that may be stuck shut. It is much more common for it to be stuck open.
  • There is a filter in the suction line to the pump. There is a chance that the hot vinegar loosened something that is now plugging the filter.
  • The hot vinegar may have damaged the pump. Cold vinegar may have been a better cleaning fluid. (A cold citric acid solution seems to be popular too now days.)
  • If the relief valve was lifted (opened) during this procedure, it is possible that it is not seating tightly.

If this was my machine, I would replace the filter and pump because they are the most likely items to be a problem. It is not a hard job but one does have to be patient and careful. I would take a picture every time I removed something just to be sure I got it back together right.

I've included a link to a part supplier part diagram. You can see the pump and filter.

Good luck. DeLonghi EC155 Cappuccino Maker Parts

May 30, 2015 | DeLonghi EC155 Espresso Machine

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Not brewing


it sounds like the pump inside is bad, from either a clog or fuse perhaps.the pump sends the water thru so thats the likley problem.

Sep 13, 2007 | DeLonghi DCM485 Coffee Maker

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Delonghi Rialto Magnifica EAM4500 won't remember custom programming


Often these buttons do "forget" their programs. If the unit's power supply is interrupted it can cause this. Otherwise check the board in the control panel, this contains the "memory" circuits.

May 29, 2014 | DeLonghi EAM3500 Espresso Machine/Coffee...

2 Answers

Delonghi EAM3500 problem in power board (part no 5232109900)


There are lots of Delonghi spare parts on the website komtra

Unfortunately the page is in German.

A new Power board is available for 72 euro

Dec 03, 2013 | Coffee Makers & Espresso Machines

1 Answer

This is difficult to describe but my delonghi magnifica has developed a small problem, after turning the machine on via the front panel On button, the pump activates (slightly) even though no other buttons...


It might be a normal cleaning cycle or flushing itself out. You don't mention whether it's not working anymore, so is it just that the sounds and lights seem concerning, or has it actually stopped working?

Oct 28, 2013 | DeLonghi Magnifica 3300 Espresso Machine

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I have a De'Longhi EC330S Pump Espresso Maker, 15 Bar it has been making great coffee for a year, but now the seals have blown and water just pours out from everywhere. Can it be repaired?


The problem seals on my EC330S are the one on the steam frother shaft and the connecting pipe from the pump to the boiler. The steam frother shaft seals are available from Buyspares.co.uk but the ones on the pipe from the pump are not available from them even though the pipe is. Mine are leaking badly so will have to look for some from a seal manufacturer if DeLonghi can't supply them.

Feb 09, 2011 | DeLonghi Pump Espresso Machine Stainless...

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Delonghi rialto eam4500: Lost Hot Water Spout. Where to get one?


I had the same problem!! I was able to find one on Amazon:
http://www.amazon.com/DeLonghi-5532124900-HOT-WATER-SPOUT/dp/B002EKFX06

It works on 4500 as well as a couple of other models :)

Jul 25, 2010 | DeLonghi EAM3500 Espresso Machine/Coffee...

1 Answer

Delonghi bar 18 oump driven esp maker won't pump water


It may be a stupid suggestion but have you checked the strainer in the reservoir? It Could be blocked. And if you haven't removed the brew head sieve recently? It could be gunked up.

For cleaning it's best t use citric acid packets sold in stores as it hurts the metals inside the tank the least, but in a pinch you can use vinegar, although it's much more corrosive and could hurt the machine.

When using a cleaner remove the brew head sieve, as a lot of junk will collect and can block the sieve, with resulting no flow for brewing.

Hope this helps!

Jan 30, 2010 | DeLonghi BAR 14 Espresso Machine

1 Answer

DeLonghi EC701


Could be scale build up. Do you have well water? You should run a descaler or white vinegar through the unit often to keep the boiler outlets clean.

Unless you are saying that the pump just doesn't run, ie, no noise, vibration, etc. Then, thanks for the warning that their pumps are bad.

Dec 30, 2007 | DeLonghi EC701 Espresso Machine

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