Problems, Causes And Solutions - LAVAZZA LB GUZZINI Maintenance Manual For Technical Assistance

Maintenance manual for technical assistance - LB GUZZINI

6. PROBLEMS, CAUSES AND SOLUTIONS

Below is a list of possible problems with machine function.
PROBLEM
The machine does not
turn on
Water does not flow
Steam does not flow
Coffee does not flow
Water leaks
Coffee is not hot enough
The machine takes too long
to heat up, the water flow-
rate is reduced.
Manual code 10083088 / Rel. 0.00 / January 2008
CAUSE
No power.
Led not functioning.
The priming has not been car-
ried out.
Hydraulic circuit obstructed.
Steam pipe is clogged.
Capsule holder obstructed.
Water pressure not sufficient.
Hydraulic circuit obstructed.
The tank is not in the correct
position.
Water pressure not sufficient.
Hydraulic circuit obstructed.
The cup is not preheated.
The machine has not reached
the operating temperature.
The machine circuit is clogged
with scale.
SOLUTION
1) Check the electric connection.
2) Verify that the switch is on.
3) Check that the green led for
power on indication is functio-
ning properly.
1) Carry out the priming follo-
wing the instructions.
2) Check if there is water in the
tank.
3) Check if the tank is correctly
inserted.
4) Check the hydraulic circuit.
1) Clean with a thin needle the
hole of the steam pipe.
1) Replace the perforator filter.
2) Replace the pump.
3) Check the electrovalve.
1) Correctly insert the tank.
2) Check the hydraulic connec-
tions
Preheat the cup on the cup hea-
ter plate.
Wait until the optimal temperatu-
re is reached.
Descale the machine.
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