Krups F927 Manual page 13

• Run through two tanks of fresh water to
rinse the percolation head and the nozzle.
(See paragraph «Rinsing the water system»).
• Replace the grille on the percolation head
(see "Maintenance" section).
• Refit the filtration cartridge (see "Before first
use" section).
It is now necessary to inform the scale
monitoring system that the descaling
operation has been performed. To do this:
The appliance must be plugged in but the
«on/off» control «
(indicator light off).
• Press simultaneously on the « » control
(e7) and on the "on/off" control «
until the indicator lights come on. Release
the controls.
All the indicator lights will flash then go out.
The scaling monitoring system has taken note
of the descaling operation which has just
been performed. During future use of the
machine, the « » indicator light (e1) will
remain off until it is again time to descale the
machine.
Notes :
In the case of serious scaling, soak the the
grille of the percolation head for 5 minutes in
1/3 of the mixture obtained during the first
run-through. Then rinse and dry it.
If necessary, this operation can also be
performed with the steam nozzle :
To do this, dismantle the nozzle as instructed
•
in the paragraph «Maintenance» and soak
the scaled parts for 5 minutes in 1/3 of the
mixture obtained during the first run-
through. Rinse the various parts thoroughly
before replacing them.
Problems, likely causes and
corrective actions
Problems Likely causes
Espresso not The accessories
hot enough. are cold
(cups and
filter holder).
» (e2) is not activated
» (e2)
Corrective
actions
Pre-heat the
accessories
See the para-
graph «Espresso
function».
The appliance is
not hot enough.
Leak of coffee The filter holder
around the filter is not fitted
holder correctly.
There is still some Clean around
coffee on the
edge of the filter. seal.
The seal of the
percolation head with a damp
is dirty.
The seal of the
percolation head approved KRUPS
is defective.
Very loud noise No water in the
from the pump. tank.
Tank badly
fitted.
Ground coffee
too old or very
dry.
Water does not No water in the
run through. tank.
Tank badly
fitted.
The filter holder
is blocked, the
ground coffee is
too fine or too
compacted.
Grille of the
percolation head soak in the
is encrusted.
Appliance needs
descaling,
indicator light
(e1) is lit.
Water passes too Ground coffee
too quickly. coarse.
Insufficient quan- Use the spoon
tity of ground
coffee.
Wait for the
indicator light
(e2) to stop
flashing.
See paragraph
«Rinsing the
water system».
the filter and the
Clean the seal
cloth.
Contact an
service center.
Fill the tank.
Press firmly on
the tank
Use freshly
ground coffee.
Fill the
tank.
Press firmly on
the tank.
Clean the filter
holder and the
grille of the
percolation head.
See the para-
graph «Mainte
nance» and try
using a coarser
ground or less
compacted
coffee.
Put the grille to
descaling
solution. See the
paragraph
«Descaling».
See the
paragraph
«Descaling».
Try a finer
ground coffee.
supplied to
measure out the
coffee.
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