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Check
procedure
4.1 Machine (with capsule
holder inserted) is not
working no function
4 Plug into mains
and switch ON
machine
4.2 Indicator (LED) flashes red
3 times a second (error mode)
4.3 Machine is working
without capsule holder
4.4 Machine is hissing after
heating up.
Symptoms
YES a) Check if power cord is
functional
YES b) Check if all electrical
connectors are connected
YES c) Check if thermoblock's
thermal cutoff fuses (133 °C) are
defective
YES d) Check if power button and
its indicator (LED) is functional
YES e) Check if reed contact is
functional
YES f) Check if selection lever
moves freely
YES g) Check if pump starts to
work if bargraph display lights up
and selection lever is moved to the
left (cold water)
YES h) Check if pump starts to
work if bargraph display lights up
and selection lever is moved to the
right (hot water)
YES i) Check if pump's thermal
cut off fuse (98 °C) is defective
YES a) Check if NTC temperature
sensor is functional
YES b) Check if electrical wires
are functional
NO Go to point 4.3
YES Replace the extraction head
NO Go to point 4.4
YES Replace the extraction head
NO Go to point 5
T R O U B L E S H O O T I N G
Action / repair work
Service manual
Further action /
repair work
YES Go to point b)
NO Replace it (see page 35)
YES Go to point c)
NO Connect them (see page
48)
YES Replace power cord and
electronic mainboard. If neces
sary replace also the ther
moblock (see page 58).
NO Go to point d)
YES Go to point e)
NO Replace electronic main
board (see page 58)
YES Go to point f)
NO Replace extraction head
(see page 48)
YES Go to point g)
NO Replace locking handle
(see page 45)
YES Go to point h)
NO Replace pump (see page
30)
YES Go to point 4.3
NO Replace the extraction head
(valve switch might be broken),
see page 48. If still not working,
replace also electronic main
board, see page 58.
YES Replace pump (see page
30)
NO Replace pump (see page
30) or electronic mainboard (see
page 58) or extraction head (see
page 48)
NO Replace NTC temperature
sensor (see page 34)
YES Go to point b)
YES Replace electronic main
board (see page 58)
NO Replace defective wire(s),
see page 48
see page 48
see page 48
19
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