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149 F149 General voltage
malfunction: current
consumption of the 24/30 V
power supply too high
√
√
157 Battery must be replaced
√
√ Batterie voltage too
low to preserve data.
Data is automatically
stored in service
memory.
161 F161 DFM Brewing
malfunction, but water
pressure is o.k.
√
√ Minimum flow not
available, < 1 pulse in
1 sec, measured for
five seconds
162 F162 DFM Malfunction
during cleaning, but water
pressure is o.k.
√
√ Minimum flow not
available, < 1 pulse
per second, measured
over 5 s
A forced cleaning
follows.
165 F165 DFM Malfunction in
choc dosage
√
√ Minimum flow not
available, < 1 pulse
per second, measured
for 5s
165
170 Steampower sensor
damaged
√
√ Resistance at adressing
entrance of sensor
tends towards zero
F170
171 Steampower
overtemperature or
sensor short
√
√ Resistance at sensor
entrance infinite
186 F186 In steam boiler supply
√
√
189 F189 Steam boiler heating
time
√
√
9042 Steam boiler low water
level
√
√ NLW electrode without
contact
9061 Standby Event
√
√ Coming and going
see table 7.4
9062 Reset event!
√
√ Coming and going
see table 7.3
31
Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual