WMF 800 Manual page 36

Error without display message
• Problems with milk and milk foam dispensing due to a leaking or defective steam
valve
Spare parts
• Valve without magnet 1.5 mm width, travel
• Magnet body
2/3.6.4.1 Solenoid valves
See Chapter 2/3.5.4.2
2/3.6.4.2 Cappuccino pump (air pump) for WMF 1000 pro S only
Technical data: air pump
Power supply
Current draw
Fixed air aperture in
intake hose
Additional run time
(fixed setting)
Errors without error message
• Air pump clogged or defective; milk does not foam
© WMF 800 / 900 / 1000 S / 1000 pro S Edition 07/2014 - KMT
An air pump is connected to a Y-fitting
in the steam line from the cappuccino
valve to the combi spout. Fresh milk
is drawn into the combi spout by the
mixture of air and steam, which foams
the milk. If no air is added, warm milk
is dispensed.
Nominal voltage 24 V DC; with
grid voltage regulator to 18 V
<0.5 A
0.2 mm
3 s
See instructions, error messages, troubleshooting
Part 6
Line is blown out after
pauses of > 7 minutes
Boiler water system
T2-25