Bosch CTL636E.1 Mode D'emploi page 55

Problem
Display shows
"Clean brewing unit"
Display shows
"Refill with still water
or remove filter"
Display shows
"Empty drip trays"
despite them being empty.
Display shows
"Insert drip trays" even
though drip tray in use.
Very frequent display that
descaling is necessary.
Water dripped onto the
inner floor of the appli­
ance when the drip tray
was removed.
Display shows
"Switch off with power
switch, then back on after
30 sec!"
If you are unable to solve the problem, always call the hotline!
You will find the telephone numbers at the back of these instructions.
Cause
Brewing unit is soiled.
Too much ground coffee in the
brewing unit.
The mechanism of the
brewing unit is stiff.
Water tank wrongly inserted
Carbonated water in the water
tank.
Float is stuck in the water
tank.
New water filter not rinsed
according to instructions, or
water filter used or defective.
Air in the water filter.
Drip tray is soiled and wet.
Emptying is not detected
when the appliance is
switched off.
Inside of appliance
(tray holder) dirty.
The coffee grounds container
is not fully inserted.
Water is too hard.
Drip tray was removed too
soon.
Appliance is too warm.
Dirty brewing unit.
Simple troubleshooting
Solution
Clean the brewing unit.
Clean the brewing unit. Do
not place more than two level
measuring spoons of ground
coffee in the drawer.
Clean the brewing unit, see
the section "Care and daily
cleaning".
Insert water tank correctly
Fill the water tank with fresh tap
water.
Remove the tank and clean
thoroughly.
Rinse the water filter according to
the instructions and then switch
on, or use a new water filter.
Dip the water filter into water
until no more air bubbles
escape, replace the filter.
Clean and dry the drip tray
thoroughly.
When the appliance is switched
on, remove and re­insert the
drip tray.
Clean the inside.
Push the coffee grounds
container all the way in.
Insert water filter and configure
settings accordingly in the menu.
Wait a few seconds after the
last drink was dispensed before
removing the drip tray.
Leave the appliance to
cool down.
Clean the brewing unit.
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