TEFAL EPC09-A Series Manual page 38

CLEANING MAINTENANCE
Before reinstalling the ball, check that the
pipe is not blocked by blowing into it.
Press on the internal part of the safety
valve spring to check that it is not
clogged.
Before removing the internal lid, clean
the upper part of the cooking bowl.
Clean the inside of the appliance's
metal lid using a damp sponge and
check that the manometric rod
(above) is properly positioned to
ensure that it is not blocked.