WMF Perfect Ultra Manual Del Usuario página 30

11. Troubleshooting
Pressure cooker problems
Steam emerges continuously from
the safety valve (4) (does not apply to the
heating-up phase).
The rotary knob (8) cannot be pulled
backwards and pot cannot be opened.
Faults on the timer
No indication on the display (20).
The display (20) shows »E1«, »E6« or »E7«.
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