WMF 800 - 2;4.2.2 Friction Piston T2-32

Brewing system, grounds container and cover
T2-31
© WMF800 / 900 / 1000S / 1000proS Edition 07/2014 - KMT
Technician instructions
• If an O-ring must be replaced due to wear, all O-rings should be replaced.
• If the grounds container is taken off, the coffee machine cannot be operated. The
display shows “grounds container not present.”
• If the brewer is taken off, the coffee machine cannot be operated. The display
shows: “Place brewer”.
• If the brewer lid is opened, the coffee machine cannot be operated. The display
shows: “lid open”.
Error messages on the display
• Place brewer (brewer not placed).
• Brewer limit switch (base position not recognized)
• Clear flow stopped, Grinding too fine?, brewer clogged.
Errors without display message
• Brewer makes slight rattling sounds
• A lot of fresh ground coffee in the grounds container and on the brewing unit
• Coffee grounds not dry
• Brewer leak
• Brewing unit ripped
• Brewer cannot be placed
Spare parts
• Outlet piston*
• Lower pistons*
• Snap ring for lower piston*
• O-rings
• Friction piston*
• Spring for friction piston*
• Scraper
• Insertion funnel
• Right and left springs for the insertion funnel
• Add-on components*
• Pusher
* = own chapter
place brewer
brewer end switch
clear ow stopped
Error messages, instructions, troubleshooting
see Part 6
For flow faults, see chapter 2/3.7Flow faults