Fagor Plus Series User's Manual & Recipe Booklet page 19

3. Turn the lid over and place on a table top. Pull out the anti-locking case. Using
a brush or toothpick, check and remove any food or foreign particles that may
be lodged in the floating valve. Replace the anti-locking case by pressing
down.
4. Replace the pressure regulator knob by lining the two notches up to the
inside wall of the pressure regulator chamber in the lid and turning clockwise.
The white button on the lid should line up with the pressure or steam setting
on the pressure regulator knob. If it doesn't, remove the knob again and try
realigning the notches the other way around.
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