Troubleshooting; Indication And Solution Of Most Common Problems - LAVAZZA blue LB 400 CLASSY PLUS Maintenance Manual

8. TROUBLESHOOTING

8.1. INDICATION AND SOLUTION OF MOST COMMON PROBLEMS

PROBLEM
Machine does not turn on.
On/Stand-by warning lamp OFF.
The machine will not switch on af-
ter the "On/Stand-by" button is
pressed.
Excessive heating time (i.e. more
than 40 seconds).
Excessive machine noise.
Unit ready for use but failing to ac-
knowledge the button press.
The lever remains closed after the
supply.
Failure to supply (the machine is
switched on, yet it supplies no cof-
fee or water).
14
POSSIBLE CAUSES
• The machine is not connected to the
power source.
• The machine is connected to a faulty
power cord.
• Power supply not available in the house-
hold mains.
• The touch interface fails to respond.
• Wrong simultaneous press of two but-
tons.
• The machine is stored at low tempera-
tures (e.g. in a cellar or garage).
• The machine does not rest on a flat, sta-
ble surface.
• The power supply cable has been posi-
tioned incorrectly.
• Movable parts not fitted properly.
• No water in the tank.
• Capsule not present.
• Wrong button press/activation.
• Used capsule collection tray not fitted.
• Used capsule tray full.
• No water in the tank.
• Tank not inserted correctly.
• Capsule loading lever lifted or not low-
ered correctly.
• No water flow in the hydraulic circuit (no
activation).
• Capsule not compatible.
• Presence of limescale.
Technical support maintenance manual
SOLUTIONS
• Connected the machine to the power
source.
• Connected the machine directly to the
power source.
• Connect another device to check the
availability of the power supply.
• Verify that the interface surface and
the user's hands are clean and dry.
• Wait a few seconds, then press the
"On / Stand-by" button only.
• Keep the machine in a suitable place
over at least 1 hour.
Then, plug the machine into the mains
socket and try to switch it on.
• Check the surface.
• Check the correct position of the cable
in the base of the machine.
• Fit the movable parts properly.
• Top up the tank with fresh drinking wa-
ter.
• Insert a Lavazza Blue or Expert
capsule or a compatible one.
• Press one of the illuminated buttons
with your fingertip, then check for the
acoustic signal (if activated) and the
proper blinking of the selected icon.
• Check the correct insertion of the tray,
with the resulting alarm warning lamp
switch-off. Check for correct supplying.
• Empty the tray and try to open the le-
ver.
• Top the tank up with drinking fresh wa-
ter, then check for correct supplying.
• Correctly fit the tank in, then check for
correct supplying.
• Lower the capsule loading lever up
to the stop, then check for correct
supplying.
• Disconnect the power cord, wait 10
seconds, then connect the power cord
again.
Switch the machine on and wait for the
heating cycle to be over.
Check for correct supplying (the
machine will automatically
attempts at filling the hydraulic circuit).
• Try again by using another capsule
from a different package.
• Carry out the descaling procedure
by means of the Lavazza descaling
product.
Rel. 0.00 / February 2020
make