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Delonghi EC155 - Blowing Hot Air Instead of Steam
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webcrawler42
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Joined: 17 Nov 2013
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Location: usa
Expertise: Just starting

Posted Thu Nov 21, 2013, 8:17am
Subject: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

I have a Delonghi EC155 with a depressurized portafilter and an acorn-nut steam-wand tip.
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I have a problem with the steam not lasting long enough.  After about 15 seconds, the wand just blows hot air.

I have tried waiting 20 minutes before pulling a shot and steaming.  I have also tried pulling a shot and then waiting 10 minutes before steaming (on the steam setting).

Does anyone have any suggestions?
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Burner0000
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Posted Thu Nov 21, 2013, 8:21am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

How old is the machine?  It sounds like the heat element is spent. or very very dirty.  Keep in mind that these machines are only built to last a year or two. If I were you I would just junk it and go get another for $100.  Keep the mods tho for the new machine :P
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calblacksmith
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Posted Thu Nov 21, 2013, 8:22am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

I suspect that you are seeing dry steam. That is a SBDU machine, the ONLY way to get pressure is to heat the water and generate steam. There is no way to compress air with the machine, the only source of vapor/air pressure is boiling water.

 
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webcrawler42
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Joined: 17 Nov 2013
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Expertise: Just starting

Posted Fri Nov 22, 2013, 8:40am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

The machine is only a few months old and has probably pulled about 30-40 shots.

The unit has quite a bit of pressure initially when there is still steam, but when the unit is blowing hot air there is very little pressure.
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CMIN
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Posted Fri Nov 22, 2013, 9:33am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

There could be another issue, but I had a Bar32 (same internals as EC155), the boilers on these machines are super super tiny. They lose pressure fast, I remember mine would steam fine (fine for the machine, no where near my CC1) and then die out fairly quickly especially if steaming milk though I'm pretty sure it wasn't as soon as 15 seconds. I don't really remember it being dry steam, fairly wet. Unfortunetly these machines are junkers if one little thing goes wrong, there's really no support or parts available. Worst case if it's still under warrant which is should be for only a few months old you can talk to the retailer and see if they'll exchange or fix it.
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D4F
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Posted Fri Nov 22, 2013, 11:07am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

I do not know the actual boiler size, but doubt it is smaller than the Gaggia Classic at about 105ml.  Here is a video of the Classic steaming just to show how long it will go.  Open the steam valve and run the pump to make sure that the boiler is completely full of water.  Shut the valve and more water should flow out the group, then turn off the pump.  Obviously there should be no further water out, and the boiler will be full.  Now hit the steam switch and try steaming as normal.  Steam should be very wet at first and then you should have steam similar to Gaggia video.

http://www.youtube.com/watch?v=7o_2zaHHazw

 
D4F also at
http://www.gaggiausersgroup.com/
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CMIN
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Espresso: Crossland CC1
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Posted Fri Nov 22, 2013, 11:14am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

D4F Said:

I do not know the actual boiler size, but doubt it is smaller than the Gaggia Classic at about 105ml.  Here is a video of the Classic steaming just to show how long it will go.  Open the steam valve and run the pump to make sure that the boiler is completely full of water.  Shut the valve and more water should flow out the group, then turn off the pump.  Obviously there should be no further water out, and the boiler will be full.  Now hit the steam switch and try steaming as normal.  Steam should be very wet at first and then you should have steam similar to Gaggia video.

http://www.youtube.com/watch?v=7o_2zaHHazw

Posted November 22, 2013 link

I'm pretty sure the boilers are smaller, though someone had mentioned they were like 2.5oz maybe 3oz when measured, think Classic is 3.5 oz, I cracked mine open when it broke and the boiler looked tiny as heck. But either way use both, and the Classic has waaaaay stronger and lasting steam then any of the Delonghi's, Cuisinarts etc in that entry class.

My Bar32 (same internals as EC155) would steam fine inititally then pitter out quickly especially while steaming milk, friend with a Bar32 and another with the EC155 was the same problem. (We all started in coffee same time, same machines haha)
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D4F
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Joined: 15 Mar 2012
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Espresso: Gaggia Classic PID
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Posted Fri Nov 22, 2013, 11:23am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

Very short steam time and hot air description make me think of an empty/near empty boiler.  Proportion the Gaggia time by boiler size and get an idea or time :)

 
D4F also at
http://www.gaggiausersgroup.com/
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CMIN
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Joined: 14 Jun 2012
Posts: 1,383
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Fri Nov 22, 2013, 11:25am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

D4F Said:

Very short steam time and hot air description make me think of an empty/near empty boiler.  Proportion the Gaggia time by boiler size and get an idea or time :)

Posted November 22, 2013 link

Could be, but I always made sure that Bar32 had a full boiler with the tricks I learned, friends bar32/EC155 were the same. I know using the Gaggia Classic the steam was a lot stronger and longer lasting that's for sure.

OP - make sure the boiler is full like D4F said, don't just turn on and turn to steam and leave as is to use. Steam till the light goes on, then switch to brew, and then back to steam and wait for the light to turn green or if it's still green wait a bit to make sure it's recovered and doesn't go off right when you start steaming lol
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D4F
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Joined: 15 Mar 2012
Posts: 2,015
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Fri Nov 22, 2013, 11:34am
Subject: Re: Delonghi EC155 - Blowing Hot Air Instead of Steam
 

I still do not see boiler size, but a thread here talks about steaming far different than described.  While not strong, enough for a drink at a time and wet at the beginning.

http://coffeegeek.com/forums/espresso/machines/579958

 
D4F also at
http://www.gaggiausersgroup.com/
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