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User Manual WMF presto
8.3 Faults with no Display
Fault Action
No hot water output but
water in coffee grounds
container
Clean hot water outlet.
Call WMF Customer Service
(coffee dispensing possible).
No Choc output but water in
coffee grounds container
Do not use Choc dispenser.
Call WMF Customer Service
(coffee dispensing possible).
Choc portion controller
blocked,
Choc dispensed only with
water
Clean portion controller.
See Maintenance Chapter
Empty powder.
Turn screw feeder manually until all powder
removed.
If necessary rinse with water.
(Allow to) dry completely.
Coffee dispensing varies
left/right
Clean combi spout.
See Quick Reference, Daily Cleaning
No milk foam/milk output,
but milk in reservoir
Check that milk tube is not kinked or crimped.
Re-route tube correctly.
Clean combi spout.
See Quick Reference, Daily Cleaning
Milk foam incorrect,
temperature too cold
Change milk nozzle,
green nozzle for cooled milk
white nozzle for uncooled milk.
Clean combi spout.
See Quick Reference, Daily Cleaning
Pump runs permanently,
water in coffee grounds
container
Unplug machine and reconnect.
If not remedied call WMF Customer Service.
Milk foamer and water tank
assembly/disassembly stiff
Lightly smear O-rings with WMF Sealing Grease.
Choc/Topping hopper can-
not be inserted.
The drive the auger at portioner can be adjusted
slightly in a clockwise direction by hand.