LAVAZZA Pininfarina Maintenance Manual For Technical Assistance page 56

In the event of faults
GB
When inserting a pod the
machine fails to deliver. The
pump is triggered off and
emits a buzzing noise.
When inserting a pod the
machine fails to deliver coffee.
The pump comes into operation
for only a few seconds then
appears to stop working.
The coffee in the cup is cold.
The coffee in the cup is burnt.
52
• The electrovalve is defective
and prevents the passage of
water.
• Air present in the hydraulic
circuit.
• The pump is defective.
• The unit is clogged with
scale.
• The ceramic cup is too cold.
• The resistance on the plate
is damaged or broken.
• The mechanical connections
on the harness are incorrect,
the fastons are badly
inserted.
• The electronic card is
defective.
• The temperature probe is
defective.
• The temperature probe is
incorrectly positioned in its
seat preventing contact, or
is defective.
• The electronic card is
defective.
• Lack of thermal paste on the
temperature sensor.
• Replace the electrovalve.
• Loosen the escape plug on
the electrovalve of the
pipe-socket and clean the
circuit.
• If insufficient replace the
pump.
• Dismantle the heater.
• Clean the labyrinth, the
chamber and the passage
ducts.
• Replace any parts that
cannot be cleaned.
• Always replace the seals.
• Place the cups in a heated
place before use.
• Check the condition of the
resistance using a tester.
• Replace the teflon-coated
plate.
• Check the condition of the
harness and replace if
necessary.
• Check the correct insertion
of the fastons in their seats.
• Replace the card.
• Replace the component.
• Check the correct
positioning.
• Replace the probe if
necessary.
• Replace the card.
• Put thermal paste under the
sensor.