Troubleshooting - La Marzocco linea pb Manual

• This espresso machine is equipped with several feedback mechanisms that alert the operator when an unusual condition occurs.
Additionally the espresso machine will warn the operator when certain parameters fall below or above the programmed point. These
errors and warnings will appear as a message in the display.
• The following section will describe errors and warnings that may appear in the display.
Message Description
This message is displayed when the CPU does not detect
Steam Boiler
a full signal from the steam boiler within the set time
Autofill Failed
interval.
This message is displayed when the CPU does not detect
Coffee Boiler 1
the temperature probe.
Probe Failed
This message is displayed during first installation and
when preset of settings is made.
SB Filled?
This message is displayed during first installation and
Groups Bled? when preset of settings is made.
This message is displayed when the coffee boiler
Coffee Boiler 1
does not reach the minimum temperature with the
Is Not Heating
programmed time interval.
This message is displayed when the coffee boiler
Coffee Boiler 1
temperature exceeds
Overheated
temperature.
This message is displayed when the CPU does not detect
Steam Boiler
the temperature probe.
Probe Failed
This message is displayed when the steam boiler
Steam Boiler
temperature exceeds
Overheated
temperature.
This message is displayed when the steam boiler
Steam Boiler
does not reach the minimum temperature with the
Is Not Heating
programmed time interval.
This message is displayed when the CPU does not
Flow Meter 1
receive the appropriate signal from the flowmeter.
No Pulse
This message is displayed when the steam boiler autofill
Autofill In
cycle is activated and water is entering the steam boiler.
Progress
This message is displayed when password entered does
Invalid
not match the programmed password.
Password

Troubleshooting

When this message is displayed the CPU also shuts down and turns off power to the machine (see the parameter
"Level Timeout"). Press the ON/OFF button to reset this error.
When this message is displayed the CPU shuts down and turns off the machine.
The way to reset this error is to verify and to reconnect the temperature probe.
Push enter if Steam Boiler is filled. Verify the presence of water looking the sight glass.
Push enter if groups have been blend ie no air is present in groups.
See the parameter "Heating Timeout" for more information. The number on the display corresponds to the
number of the faulty coffee boiler.
When this message is displayed call an authorized service technician to repair this fault. The also CPU turns
the maximum allowed power off to the coffee boiler.
When this message is displayed the CPU shuts down and turns off the machine.
The way to reset this error is to verify and to reconnect the temperature probe.
When this message is displayed call an authorized service technician to repair this fault. The also CPU turns
the maximum allowed power off to the steam boiler.
See the parameter "Heating Timeout" for more information.
When the flowmeter alarm is displayed, push a button to turn off the alarm. This problem is a result of water not
flowing through the flow meter. This can be caused by the coffee packed too tightly, a blockage in the tubes, a
malfunctioning water pump, a faulty valve, or a damaged flowmeter. Call a service technician to fix this problem.
No action is required when this message is displayed. This message is only displayed to notify the operator of
the active process.
This error message will be displayed anytime an incorrect password is entered.
The machine comes back to the previous state.
Message Solution
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