Initial Operation; Venting; Preparation - Graef marchesa Manual De Instrucciones

INITIAL OPERATION

CAUTION
Observe the following safety instructions to prevent hazards and material dam-
age:
• During use, the surfaces become hot!
• While water is runing through the machine, never remove the group handle
filled with coffee grounds, because it is under pressure.
• Before preparing espresso, check to see that the group handle is tightened
firmly.
• Do not misuse the espresso machine other than it´s intended use in order to
avoid potential injury.
• After switching on, the appliance steams. This is not a fault on the device.

VENTING

Note: The device must be vented before initial start-up or after prolonged non-use.
• Insert the plug into the socket.
• Fill the water tank with fresh water.
• Switch the unit on
• Units heats up.
• The unit is ready for operation when all buttons are lighted up.
• Put one cup or one glass under the hot-water / steam wand.
• Rotate the knob on.
• Let the air escape until a constant water jet runs through.
• Rotate the knob off.

PREPARATION

Note: After switching the unit back on again, carry out an empty withdrawal
(without coffee grounds) as described below in order to bring the system to tem-
perature.
• Fill fresh water into the water tank. 2.5 litres at the maximum.
• Insert the desired filter insert.
• Put in the group handle without coffee grounds (from left to right).
CAUTION
Always use the handles to move the lances. Do not touch the lances on the pipe
after use, they become hot.
• Switch the unit on
• The unit is heating up.
• The unit is ready for operation when all buttons are lighted up.
• Put a cup below the outlet.
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