Troubleshoot

 

 

 

Consistency is paramount. Customers expect the same great tasting coffee every time. Here are some likely causes of inconsistency.

Dump weight from grinder varies from dose to dose.
Dosing chamber needs thorough cleaning.
Dosing chamber has insufficient coffee.
Incorrect use of dosing lever.

Extraction volume varies from Group to Group.
Volumetrics require reprogramming.

Crema volume varies with each extraction.
Dump weight is inconsistent.

Flow rate varies with each extraction.
Dump weight is inconsistent.

Please note:  Our barista training courses give Baristas the skills to produce consistently great coffee.

Posted on by vivadmin in Troubleshooting
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Troubleshoot

 

 

 

Water is leaking over edge of basket during extraction.
Filter basket rim is damaged. Replace filter basket.
Group seals are worn or damaged. Replace seals.

Brew pressure is incorrect.
Pump pressure should be 9 bar during extraction. Call for service if necessary.

Water filter is clogged.
Restricted water flow through a clogged filter will affect the taste of espresso. Replace your water filter at the recommended interval.

Extraction temperature is incorrect.
The boiler pressure should be 1.0 – 1.2 bar. Higher or lower boiler pressure can affect the taste of espresso.
Clogged water filters can also affect extraction temperature. Replace your water filter at the recommended interval.

Please note:  Our barista training courses give Baristas the skills to produce consistently great coffee.

Posted on by vivadmin in Troubleshooting
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Troubleshoot

 

 

Here are some likely causes of unsatisfactory espresso.

Extraction parameters are incorrect.
Go to our Extraction Guide page.

Grinder dosing chamber needs cleaning.
Remove build up of coffee from all surfaces in dosing chamber.

Grinder blades are worn.
Call for service.

Group Head is dirty (shower screens).
Correct chemical backflushing is required more regularly. Severely dirty screens may need replacing.

Damaged shower screens.
Buckled or perforated shower screens will affect the flow of water through your espresso.  Call for Service.

Handles & baskets are dirty/damaged.
Replace filter baskets that have cracks in the filter or rim.
If handles & baskets are dirty, they require more regular soaking in boiling water & espresso cleaning powder.

Slow water flow through Group Head.
Blocked water filters will restrict water flow through your espresso.  Replace water filter cartridges at recommended intervals, or sooner if necessary.

Please note:  Our barista training courses give Baristas the skills to produce consistently great coffee.

Posted on by vivadmin in Troubleshooting
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