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Rocket R58 Dual Boiler Machine Information and Picture
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phippster
Senior Member
phippster
Joined: 25 Apr 2013
Posts: 5
Location: Edmonton
Expertise: I live coffee

Espresso: rocket R58
Grinder: Mazzer ELt
Posted Mon May 27, 2013, 5:28pm
Subject: Re: Rocket R58 Dual Boiler Machine Information and Picture
 

i noticed the same issue. definitely became less the longer machine was on. To ensure temp profile is stable regardless of the head temp, I purge very briefly wait for temp to stop dropping and start rising. thus i know the coil is heating and I brew while it heats. with this strategy i have no more than 3 degrees fluctuation in the boiler temp. coupled with stability of e61 i am fairly confident i am getting a stable enough temp in the portafilter.
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phippster
Senior Member
phippster
Joined: 25 Apr 2013
Posts: 5
Location: Edmonton
Expertise: I live coffee

Espresso: rocket R58
Grinder: Mazzer ELt
Posted Mon May 27, 2013, 5:36pm
Subject: Re: Rocket R58 Dual Boiler Machine Information and Picture
 

AnthonyM Said:

What brew boiler temperatures has everyone been getting good results with, and with what beans?

Posted August 23, 2012 link

Been using social coffee roasters. "peoples daily" and "peoples liberation" They provide the parameters for grams, temp and volume. its been an awesome experience so far. tweaks ive made are brewing at 109 on PID so slightly higher than they recommend and setting bars to 9.5. definitely feel it has improved the cupping.
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phippster
Senior Member
phippster
Joined: 25 Apr 2013
Posts: 5
Location: Edmonton
Expertise: I live coffee

Espresso: rocket R58
Grinder: Mazzer ELt
Posted Mon May 27, 2013, 6:04pm
Subject: Re: Rocket R58 Dual Boiler Machine Information and Picture
 

TriHard Said:

Hi Everyone,

This morning for the 2nd time in the now month that I have owned the R58 I have had a strange occurrence whereby I lift the lever all the way to pull my shot and the pump does not engage.  The first time it happened (a week ago) I thought perhaps I didn't push the lever all the way up and instead had it in the middle position, but that was not the case.  In both instances, I tried letting some steam out and then trying again but to no avail.  I waited a few seconds and tried turning it on and off and lifting the lever up and down a couple of times and then all of a sudden it starts working.  I had to dump the shot as even though the pump didn't engage, it was in pre-infusion mode as the grinds were soaked.  Both times after it started working again, I had no problems and it pulled great shots.  Was able to backflush afterwards, etc.

Has anyone else experienced this "issue"?  Afterwards I thought that maybe I should have checked to see how the lever was touching the button to see that it was fully pushed in.  Any thoughts on what else it could be?

Posted November 27, 2012 link

Also experienced the issue from time to time. it is always fixed by flicking the power switch on and off. 3 causes that i know of are a water sensor malfunction if you don't have enough minerals in the water. basically the same as if machine ran out of water, only the light doesn't always blink. You unplug the PID or it wiggled loose then the machine will freeze.  Also if you turn the machine on and within seconds try to pull water through the head the pump will fail to come on.
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phippster
Senior Member
phippster
Joined: 25 Apr 2013
Posts: 5
Location: Edmonton
Expertise: I live coffee

Espresso: rocket R58
Grinder: Mazzer ELt
Posted Mon May 27, 2013, 6:27pm
Subject: Re: Rocket R58 Dual Boiler Machine Information and Picture
 

Spirit Said:

I recently got my R58 too.

It's dated from june and I seem to have the latest firmware as I have the boiler temp, and not in bars.

However, when steeming, my pressure goes bellow 1 bar? Before starting it it's around 1.2, but when steaming it goes between 0.6 to 0.9 or so.
The milk result seem okay however. But if I could have more pressure that would be more than welcomed.

I maxed the boiler setting to 125celius...

Any idea?

Posted October 5, 2012 link

Also had this issue. first make sure you have the slimmer temp probe. max the boiler temp at 125C. pop the top off and ensure your water sensing probe on top of the steam boiler is fully inserted up to the head. My issue was the latter. My boiler was overfilling creating too little area for steam and too much water so the coil was unable to keep up when steaming.  Now I sit at 1.4 bars stanby and 1.1 for steaming.  You can test how your machine performs with different amounts of water by emptying it with the hot water side. after it has reheated and pressurized. continue steaming cups of water and watching the steam pressure. do this until the machine refills itself. You should find that just before it refills the boiler you are getting the most stable and highest steam pressure. So the answer is move the sensor lower in the boiler so that it fills less full. It will refill more often but not before you steam 3 or 4 pitchers of milk which is plenty for any home operation.
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Augsburg57
Senior Member
Augsburg57
Joined: 3 Sep 2012
Posts: 34
Location: Seattle and Tucson
Expertise: I love coffee

Espresso: Rocket R58
Grinder: Mazzer Mini E Type A
Posted Thu May 30, 2013, 12:11pm
Subject: Re: Rocket R58 Dual Boiler Machine Information and Picture
 

TriHard Said:

Hi Everyone,

This morning for the 2nd time in the now month that I have owned the R58 I have had a strange occurrence whereby I lift the lever all the way to pull my shot and the pump does not engage.  The first time it happened (a week ago) I thought perhaps I didn't push the lever all the way up and instead had it in the middle position, but that was not the case.  In both instances, I tried letting some steam out and then trying again but to no avail.  I waited a few seconds and tried turning it on and off and lifting the lever up and down a couple of times and then all of a sudden it starts working.  I had to dump the shot as even though the pump didn't engage, it was in pre-infusion mode as the grinds were soaked.  Both times after it started working again, I had no problems and it pulled great shots.  Was able to backflush afterwards, etc.

Has anyone else experienced this "issue"?  Afterwards I thought that maybe I should have checked to see how the lever was touching the button to see that it was fully pushed in.  Any thoughts on what else it could be?

Posted November 27, 2012 link

For what it is worth, I have pulled about 700 double and triple shots through my R58 since purchasing about 8 months ago.  I've never had this issue.  I have had the shot lever drop down out of position a handful of times - usually just as it comes up to pressure in the brewhead.  But the pump always turns on for me.
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