Jump to content
eSysman

New member, new machine (Expobar Pico) issues

Recommended Posts

Hi all,

 

First post on this forum. I have just picked up a used Expobar Pico. Was 3 years old best I can tell and a bit dirty when it arrived but I've cleaned it up and it looks great now. Everything seems to be working, boiler heats up nicely etc.

The issues I am having are as follows?

When I put the porta filter in the gp head (no coffee) and press 1 short coffee, I get the exact amount (30ml) after programming it as such. However when there is coffee in the porta filter I only get half that amount. I have to press the button twice to get the right amount of water to go through. 

When I pull a shot the water goes very fast into the cup, maybe 5 seconds. There is no crema etc. I have just tested the pressure with a pressure gauge I bought today and it says approx 12 bar. I did note that when testing the pressure there was a small amount of water leaking out of the join of the porta filter and group head. (new basket and seal needed?)

What should the pressure be? I saw a video that said 10 bar is this correct?

Does anyone have or know where I can get an operating manual or any manual of this machine?

Share this post


Link to post
Share on other sites

Welcome,

I know nothing of this machine so forgive my ignorance. Regarding your first issue, surely some water is just being absorbed by the ground coffee and you just need to set for more water to pass through the puck?

Are you using pre-ground? If not tighten the grind up to slow the flow. 

Just a new group head seal to begin with regarding the leak

9 bar is an oft quoted pressure.


Ve ve suvivius.... /E37s/ Eazytamp / tupperware pot / completely healthy relationship with coffee (and bank manager).

Share this post


Link to post
Share on other sites

Thanks for the response. I'll try to re-program to account for the coffee, good idea.

The machine has a built in grinder so I'm using this, I have it on a fine setting already, maybe 4 from maximum fine. The coffee looks fine when I test how it's grinding. 

The coffee has no crema at all, pure black, any ideas why this would be?

Share this post


Link to post
Share on other sites
6 hours ago, eSysman said:

 

The coffee has no crema at all, pure black, any ideas why this would be?

Probably bean related 

1) grind

2) bean freshness and type

 

Share this post


Link to post
Share on other sites
9 hours ago, eSysman said:

Thanks for the response. I'll try to re-program to account for the coffee, good idea.

The machine has a built in grinder so I'm using this, I have it on a fine setting already, maybe 4 from maximum fine. The coffee looks fine when I test how it's grinding. 

The coffee has no crema at all, pure black, any ideas why this would be?

I don’t think that’s bean nor freshness.

Pouring in <5 seconds it’s just not extracting enough. 

What is your prep after you grind?


Ve ve suvivius.... /E37s/ Eazytamp / tupperware pot / completely healthy relationship with coffee (and bank manager).

Share this post


Link to post
Share on other sites
1 hour ago, igm45 said:

I don’t think that’s bean nor freshness.

Pouring in <5 seconds it’s just not extracting enough. 

What is your prep after you grind?

But thst may be dowm to the freshness of the bean... 

Stale beans pour quick. 

We need dose weight, in what basket and grind. 

 


I write a blog, it's nothing to do with coffee ...

https://rjwinc.wordpress.com

Instagram - rjw_inc

Share this post


Link to post
Share on other sites
Just now, Mrboots2u said:

But thst may be dowm to the freshness of the bean... 

I admit I haven’t used a bean that hasn’t been rested for at least a couple of days, but pure black? Do you really think that explains it?


Ve ve suvivius.... /E37s/ Eazytamp / tupperware pot / completely healthy relationship with coffee (and bank manager).

Share this post


Link to post
Share on other sites

Hi guys, thanks for the feedback. 

I managed to get to the bottom of the issues. I bought a used machine with no instructions. So I had to calibrate the grinder and reduce the pressure. Now I have done these things it's pouring as perfectly as I can get it. Rich crema and a great drink. Grind was way off, so water was just pouring through. Once I set that and after reducing the extract pressure it was fine. 

  • Like 2

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • About:

    Coffee Forums UK is the UK's premier coffee forum Started in June 2008 by Glenn Watson, we now have more than 22000 mainly UK based members, and welcome more than 3000 members and visitors from around the world each day! With strategic investment and digital expertise from the Jackson Lockhart team (Tait Pollack and Adam Bateman), we are taking Coffee Forums UK to the next level, and are delighted to share the journey with you.

    New Members:

    We are often referred to as the friendliest forum on the web and we look forward to welcoming you onboard.

    Terms of Use

    Advertising

    Coffee Forums Media Kit

    Buy Advertising Space

    Donate

    Get Your Supporter Badge (per year)

×
×
  • Create New...