WMF Perfect 6,5 l Bedienungsanleitung Seite 21

Cause
Diameter of the hob is unsuitable.
Inappropriate heat level.
Lid incorrectly positioned.
The ball in the safety valve (9) is not
positioned correctly.
Not enough liquid (at least 1/4 l).
Sealing ring (10) and/or pot edge are not clean.
The sliding indicator (7) is not in position ZU/LOCKED.
Sealing ring (10) is damaged or hard
(due to wear).
The ball does not sit correctly in the valve.
The ball was forced into the upper chamber.
If there is a problem, always remove
the pressure cooker from the hob.
Never use force to open!
Rectification
Select hob which is suitable for the
pot diameter.
Set to the highest heat level.
Fully depressurise the pot, open the lid. Check
that the sealing ring (10) is positioned properly
and close the pot again.
Fully depressurize the pot, open, remove handle,
check the safety valve (9), check that the metal
ball is positioned properly in the lid (F) and (G)
close the pot again.
Fully depressurise the pot, open the lid.
Add liquid and close the pot again.
Fully depressurise the pot, open the lid. Clean
sealing ring (10) and pot edge and close the pot
again.
Move the sliding indicator (7) to position ZU/LOCKED.
Correct the seating of the seals or replace with
original WMF spare parts.
Fully depressurise the pot, open the lid and
remove the handle. Force the ball into the
lower chamber (F). Check the main valve (3)
for moveability (G) and close the pot again.
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