WMF PRESTO SERIES 1400 User Manual page 50

Messages and Tips
Error Error Description
Display
88 Boiler
overheating
89 Boiler
heat-up time fault
161 Brewer water fault
163 Warm rinse water
fault
186 Steam boiler level
188 Steam boiler
overheating
189 Steam boiler heat-
up time failure
50
Action
Beverage dispenser temporarily blocked.
Check that mains tap is on or that the water tank is

filled and correctly inserted
If subsequently no OK:
Switch off coffee machine

Clean brewing unit

See Customer Care Chapter, Cleaning, Brewing unit
Switch on and try again

(Release follows when cooled down to normal temperature).
Switch off coffee machine, allow to cool and switch

on again
Switch machine off and on again.

Between each of the following steps switch the machine off
and on again. If fault not remedied carry out the next step.
Check that main tap is on or water tank correctly

filled and inserted.
Clean brewing unit.

See Customer Care Chapter, Cleaning, Brewing unit
Set grind fineness one grade coarser.

See Other Settings chapter
Reduce Quality.

See Settings, Recipe.
Between each of the folloing steps switch the machine off and on
again. If fault not remedied carry out the next step.
Check that main tap on or water tank correctly filled

and inserted
Clean brewing unit

See Customer Care Chapter, Cleaning, Brewing unit
Outlet temporarily blocked.
Check that coffee grounds container correctly

inserted.
Switch machine off and on again.

Outlet temporarily blocked.
After releasing check milk foam and steam outlet.
Switch off machine, allow to cool and switch on

again.
Switch machine off and on again.

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