TEFAL Ingenio ALL-IN-ONE Guia Del Usuario página 8

Compulsory checks
before each use
Checking the operating valve (A)
Check that the drainage hole of the operating valve (A) is not blocked (see section
"Removing and installing the operating valve").
Checking the safety valve (E)
Check that the safety valve plunger (E) moves easily (press the plunger several
times with your finger).
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