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TROUBLESHOOTING GUIDE

This is a troubleshoong guide for some of the common issues that operators might encounter when using

their machine. For more detailed assistance with technical issues, contact your distributor or local service

agent.

The machine may be reset by powering o for 10 seconds.

Brewing problems

The shot is pouring too slowly:

 Tamp pressure was too rm

 Too much coee is in the basket

 The grind is too ne

 Diusion screens are clogged; clean or replace

 Pump pressure is too low. Ensure that it is set between 8-9.5 bar

 Brew jet is clogged; when operang properly, 60ml should ow out within 8 seconds

The shot is pouring too quickly:

 Tamp pressure is too light

 Not enough coee in the basket

 Grind is too coarse

 Portalter baskets are worn or cracked; replace

 Brew temperature is too cold

Crema is thin with large bubbles and tastes astringent:

 Coee is old

 Grinder burrs are dull

 Brew temperature may be set too low

Diuser screen is loose:

 This is most likely caused by over lling the portalter basket with coee. This causes the expanding

coee puck to push against the diuser and bend the screen-to-screw contact point away from the

screw.

No pump pressure when water ows from the group:

 Check which brew stage the group is in (shot mer pressure graph shows three bars for pump pressure.)

 In M mode, it takes several shis le to reach full pump pressure (2 for MVP, 3 for MVP Hydra.)

 In MP or VP mode, pre infusion and/or ramp up me may be set to run too long.

 Pump relay may have failed

The pump comes on, gauge reads full pressure, but no water comes out:

Synesso MVP Technical Manual

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