Graef ES 90 Operating Instructions Manual page 56

Espresso Machine ES 90 / ES 91
Steam moisture and pump-
ing power
EN
The steam pumping frequency in this
unit was preset; 0.3 seconds "on"
and 0.5 seconds "off". You can
change this default. Changing the
frequency makes the steam wetter
or drier up to a powerful, dry steam
which is ideal for making stable milk
froth. The pumping frequency ("off"
time) can be increased or decreased
by 0.1 seconds as you please.
To do so, proceed as follows:
Plug the plug into the electric socket.
Please note: Even though the unit
is connected to the mains, the unit
must be switched "off". That is why
no control lamps on the unit are lit.
cress the "PROGRAM" button and
keep it pressed.
While pressing the "PROGRAM"
button, press the "POWER" button
and then release the "POWER" but-
ton.
Now release the "PROGRAM" but-
ton.
Please note: This process allows
programming the unit, which is in-
dicated in that the "
luminates.
Please note:
the " " button stay lit until
the pumping frequency is set to
56
" button il-
The lamps over
match your needs. If no chang-
es are made to the pumping
frequency within 5 seconds, the de-
fault pumping frequency is automat-
ically set and the unit starts heating
up the water.
To reach the desired damp moisture
and steam pumping frequency, pro-
ceed as follows:
Within 5 seconds, press one of the
listed buttons and let it go again as
soon as the lamp indicating the de-
sired setting illuminates.
wet = -0.1 sec. > Press the "
button
wetter = -0.2 sec. > Press the "PRO-
GRAM" button
dry = +0.1 sec. > Press the "MANU-
AL" button
drier = +0.2 sec. > Press the "POW-
ER" button
Please note: After you have se-
lected and set a different pumping
frequency, the lamp over the pressed
button illuminates. To indicate that
the change you have made is correct,
the lamp illuminates and two acous-
tic signals sound.
Please note: The unit will now auto-
matically heat up the water.
Please remember: If you do not se-
lect a new steam pumping frequency
within 5 seconds, the unit automati-
cally selects the factory set steam
"