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User Manual WMF presto!
Maintenance
Chapter 7 Maintenance
Please observe that this is a professional industrial coffee
machine which needs regular maintenance and descaling.
Timing of descaling is calculated by the machine and
depends on the degree of hardness of the local mains
water and whether or not a water filter is fitted.
The maintenance schedule is based on the degree of use
of the machine and is shown on the display. The coffee
machine may continue to be operated after the message,
but Customer Care or contract maintenance should be
carried out promptly to ensure correct functioning and so
as to avoid any consequent damage.
7.1
Coffee machine maintenance
The following care or maintenance stages are provided:
•
Descaling, may be undertaken by the user / operator.
•
Customer Check-up after the display shows a message;
may be undertaken by the user / operator.
•
Maintenance after the display shows a message;
may only be undertaken by trained personnel or by
WMF Service, as in this instance components affecting
safety must be replaced.
•
Revision after the display shows a message; may only be
undertaken by trained personnel or by WMF Service, as
in this instance components affecting safety must be
replaced.
Descaling
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Software
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Care
page 23
Descaling
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Software
w
Care
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Descaling
page 25
Customer Check-up after the
display shows a message see
Customer Check-up Instructions in
Customer Check-up Kit.
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Appendix: Accessories and spare
parts
Service maintenance message
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Messages and instructions
page 54
For other maintenance work and
repairs, please contact your local
WMF Service.
The telephone number can be
found on the address sticker on
the coffee machine and on the
delivery note.