At this point the pressure switch is perfectly vis-
ible, it is fixed to the frame of the machine.
The values that the pressure switch reads can
be measured with a voltmeter in DC volts meas-
urements. Put the test leads between the black
cable and the white one to read the voltage varia-
tion comprised in a range between 0.6 V and 4 V.
WHEN TO REPLACE THE DIGITAL PRESSURE
SWITCH
If the values are very different it is necessary to
replace the pressure switch which is now dam-
aged. Normally errors are detected and displayed
and machine operation stopped.
To remove the pressure switch use a 22 mm
wrench and a 13 mm to lock the capillary which
brings the pressure to the probe.
8.6 REPLACEMENT OF TFT
SCREEN
To replace the TFT display in case of failure it is
necessary to:
1 Turn the machine off at the main switch.
Unscrew the central module of the cup
warmer and lift it to access the screw locat-
ed underneath.
2 Remove the screw that binds the TFT dis-
play.
Edition 01 of 08/2017
8.12
SERVICE MANUAL
Fig. 292
Fig. 293
Fig. 294
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