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User Manual WMF presto
Descaling with Water Tank
Preparation Stage
The following is needed for descaling:
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.
Stir descaler solution in water tank.
Insert water tank with descaler solution.
Place a 5-litre capacity collection container under-
neath the coffee and hot water dispenser outlet.
Descaling Stage
Descaling commences. Duration approx. 40 mins.
On completion of descaling carefully empty the collec-
tion container and replace beneath dispenser outlet.
Empty remaining descaler solution from water tank.
Rinse water tank and fill to maximum.
Replace water tank.
Rinse Stage
Rinsing commences. Duration approx. 40 mins.
When requested refill with fresh cold water.
(after approx. 16 min and 32 min)
Empty collection container.
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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For parts product codes see
Appendix C
Delivery and accessories
Displays lead step by step
through the program.
Follow instructions!
Attention! Hot steam!
See Safety chapter!
Descaling
Attention!
Hot steam and hot
water!
Burn hazard!
Scald hazard!
See Safety chapter!