WMF Perfect Ultra Pro Instrucciones De Manejo página 28

11. Troubleshooting
Pressure cooker problems
Steam emerges continuously from
the safety valve (4) (does not apply to the he-
ating-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«.
*
Perfect Ultra only 30