7.2
Error list/events
See training manual in part 6 Troubleshooting chapter
D
is
pl
ay
D
es
cr
ip
ti
on
Ev
en
t
m
em
or
y
D
is
pl
ay
Co
m
m
en
t
in
te
rn
2
F2: Brewer without current:
Sensor reports no current,
pulse generator reports no
pulses
√
√
3
F3: Pulse generator gives
no pulses
Current sensor reports
travelling current.
√
√
4
F4: Pulse generator gives
pulses, but
the current sensor reports
no current
√
√
5
F5: Brewer end switch
without contact, but
current and pulses o.k., or
end switch does not open.
√
√
24 F24 Motor blocked in left
grinder (only possible with
light barrier)
√
√ Light barrier reports
full, but brewer detects
too little coffee powder
34 F34 Motor blocked in right
grinder (only possible with
light barrier)
√
√ Light barrier reports
full, but brewer detects
too little coffee powder
F80 Brewing time limit
√
√ If brewing takes more
than 30*sec
120 F120 No node existent
√
Accounting module is
not detected
9037
121 F121 Dialogue
malfunction CAN
√
Malfunction of the
communication with
the extension circuit
board in the front
panel or with the
accounting module
9038
130 F130 General current
malfunction: current
consumption of the power
supply too high during
switching on.
√
√
9028
29
Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual
