Error List/Events - WMF Series 8400 bistro Service Manual

7.2

Error list/events

See training manual in part 6 Troubleshooting chapter
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)
34 F34 Motor blocked in right
grinder (only possible with
light barrier)
F80 Brewing time limit
120 F120 No node existent
121 F121 Dialogue
malfunction CAN
130 F130 General current
malfunction: current
consumption of the power
supply too high during
switching on.
Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual
√ √
√ √
√ √
√ √
√ √ Light barrier reports
full, but brewer detects
too little coffee powder
√ √ Light barrier reports
full, but brewer detects
too little coffee powder
√ √ If brewing takes more
than 30*sec
√ Accounting module is
not detected
√ Malfunction of the
communication with
the extension circuit
board in the front
panel or with the
accounting module
√ √
9037
9038
9028
29