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User Manual WMF presto
Descaling with Constant Water Supply
Preparation Stage
2 bottles of WMF Liquid Descaling Agent (per 0.75 l)
3 bottles water (2.25 l)
5-litre collection container
If the coffee machine is still hot a cooling routine initially
starts, duration 5-10 mins.
Remove water tank.
Close main water supply tap.
Turn seal plug on water tank connector in an anti-
clockwise direction (crosscut screwdriver)
Stir descaler solution in water tank.
Insert water tank with descaler solution.
Descaling Stage
Descaling starts. Duration approx. 40 mins.
Remove water tank and empty out remaining descaler
solution.
Rinse water tank and fill to maximum.
Replace water tank.
Rinse Stage
Rinsing commences. After the initial rinse is emptied
from the water tank the display requests that the water
supply be turned on again.
Turn on mains water tap.
Leave the water tank in place. The water tank connector
is rinsed for approximately 10 seconds from the mains
supply.
Remove water tank and dry.
Tighten seal plug on water tank connector in an clock-
wise direction (crosscut screwdriver).
Replace water tank.
Subsequent rinses are from the mains supply.
After the final rinse the steam boiler is heated. The hot
water expands and finally exits briefly as steam.
Descaling is complete. Completion is indicated on the
display.
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Displays lead step by step
through the program.
Follow instructions!
Descaling
Attention!
Hot steam and hot
water!
Burn hazardr!
Scald hazard
Observe Safety chapter!
Attention! Hot steam!
See Safety chapter!