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espresso coffee machines
84
LSC 040 - Rev. 00 - Ed. 12/2009
LOW WATER PRESSURE
This alarm does not block the machine.
This alarm intervenes when the water pressure sensor detects a pressure less than 1 bar for 3 consecutive seconds.
The alarm is visualised on the display for 5 minutes and is then substituted by the flashing
symbol that signals the presence of
a malfunction in the machine.
HIGH PUMP PRESSURE
This alarm does not block the machine.
This alarm intervenes when the pressure sensor detects a pressure greater than 11 bar after 5 seconds of delivery.
The alarm automatically resets at the end of the delivery
LOW PUMP PRESSURE
This alarm does not block the machine.
This alarm intervenes when the pressure sensor detects a pressure greater than 6 bar after 5 seconds of delivery.
The alarm automatically resets at the end of the delivery.
NO WATER FEEDING
This alarm intervenes when the water pressure sensor detects a 0 bar pressure for 3 consecutive seconds.
The alarm resets automatically when the pressure value re-enters within normal parameters.
CUT OFF MAT
TEMPERATURE PROBE
This alarm does not block the machine.
This alarm intervenes when the temperature sensor of the M.A.T. system is interrupted.
The alarm is visualised on the display for 5 minutes and is then substituted by the flashing
symbol that signals the presence of
a malfunction in the machine.
If the steam wand temperature sensor is faulty the system continues to function in semi-automatic mode when operating either one
of the steam dispensing keys. This means the system functions by pressing one of the steam dispensing keys to activate the delivery
of steam and press it again to stop the delivery
SHORT CIRCUITED MAT TEMPERATURE PROBE
This alarm does not block the machine.
This alarm intervenes when the temperature sensor of the M.A.T. system is short-circuiting.