SAN MARCO SM 92 INSTANT Traduction De La Notice D'emploi Originale page 25

10. Problem solving
Before requesting the technical assistance of the service centre, carry out the following checks:
Problem
1) The coffee flows out of the
serving nozzle fast; the cream
of the coffee in the cup is light.
2) The coffee flows out of the
nozzle slowly (drop by drop);
the cream of the coffee in the
cup is dark.
3) Presence of coffee grounds in
the cup.
If it is not possible to solve the problem as suggested, or if problems other than those described above occur,
please contact the La San Marco S.p.A. authorized technical service centre.
La San Marco S.p.A. reserves the right to apply technical changes to the equipment
should they become necessary, without advance notice.
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cause
a) coffee ground too coarse.
b) insufficient batch.
c) weak pressing.
a) coffee ground too fine.
b) batch too large.
c) excessive pressing
a) coffee ground too fine.
b) grinders worn out.
solution
a) grind coffee finer.
b) increase the batch amount.
c) increase the pressing force.
a) grind coffee coarser.
b) decrease the batch amount
c) reduce the pressing force.
a) grind coffee coarser.
b) replace the grinders.