Electrolux Ovens - Page 3 - Recent Questions, Troubleshooting & Support

Try unplugging it and then wait for 5 minutes and see if it opens.

If this is a popping noise that is a delayed ignition meaning something is preventing the main burner from lighting from the pilot, this can be one of three things (1) at the point the burner and pilot meet some carbon build-up is blocking the burner holes closest to the pilot source, (2) you may have a gas pressure problem or (3) you have a combination of the first two.

You apparently want a manual, but it isn't clear. https://www.manualslib.com/manual/877160/Rosieres-Oven.html?page=11 ROSIERES Oven User Instructions Service Centre

I believe that error code 90 is the door lock and latch. Unplug the oven and remove the back. You will see a motor and a rod going to the door lock. Check the motor and lock by hand to see if it works and latches. Check the motor with a continuity’ test. DO NOT TEST WITH POWER ON unless you are qualified!

Not popping sound you heard was the element popping take care of it out did you take your fingers and go round the outside of the element you'll find a whole the place that element you get your heat back