WMF presto Service Manual page 25

9261 Auto detect malfunction:
Hot water dispensing
valve not detected
9262 Auto detect malfunction:
Mixer not detected but
choc/topping portioner
detected
9263 Auto detect malfunction:
choc/topping portioner
not detected but mixer
detected
9264 Auto detect malfunction:
Mixer valve detected
but no powder portioner
detected or; Hot
water-Choc/topping
valve not detected but
choc/topping portioner
detected
9265 Auto detect malfunction:
Milk pump detected
but no cappuccino
valve detected or milk
pump not detected
but cappuccino valve
detected
9268 Power supply reports
voltage too low
9271 Pump switches to
pressure -lowering mode
(Info = button number)
9275 Reset triggered by
customer
9288 MDB communication
error coin checker
9289 MDB communication
error card reader
9290 MDB communication
error banknote reader
9291 24 V are switched off and
then on again (reset for
MDB equipment on 24 V)
WMF presto Service manual edition 11/2011
WMF presto Service Manual
√ √
√ √
√ √
√ √
√ √
√ √ External mains voltage!
√ √ Pump pressure lowered.
The beverage number is
entered into the laptop
Info column
√ √
√ √
√ √
√ √
√ √
261
262
263
264
265
268
271 Pump pressure
lowered, 9271
275 9275
288 9288
289 9289
290 9290
291 9291
25