57
Espresso Machine ES 90 / ES 91
EN
© Gebr. Graef GmbH & Co. KG
pumping frequency and starts heat-
ing up the water.
Factory settings
Switch the unit off to reset all chang-
es back to the settings made in the
factory. Simultaneously press the
"MANUAL" button and the "POW-
ER" button. Release the "POWER"
button while keeping the "MANU-
AL" button is pressed. Release the
"MANUAL" button. The "POWER"
button illuminates and 4 acoustic
signals sound.
All the changes you made to the pro-
gramming are restored to the factory
settings.
Repairing faults
Safety instructions
CAUTION
Follow the safety instructions below to prevent hazards and
property damage:
►
Only electricians trained by the manufacturer are author-
ised to repair electrical appliances. Improper repairs can
lead to extreme hazards for the user and damage the
unit.
Содержание ES 90
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