I have a Hotpoint-Ariston OS 992 D C IX/HA oven (model code: 03596540000). It's showing F53 error code. What does it mean?

Before you replaced the element, were you using the self cleaning cycle? Its main purpose is to break parts, and keep makers in business selling spares :>/ F02 is an overheat situation.

https://capitalrepairs.co.uk/news/hotpoint-oven-error-codes/

https://www.google.com/search?q=Hotpoint+Class+4+SI4+854+P+IX%2C+F02+error

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El c?digo de error F53 en un horno Hotpoint SA2 540 H IX significa que hay un problema con el motor que gira el tambor. Se requieren nuevas escobillas de carb?n o un nuevo generador de tach para reparar su horno y borrar el c?digo de error. Ambos son f?ciles de conseguir y econ?micos de reemplazar. No necesitar?s comprar un horno nuevo. Puede reemplazar las escobillas de carb?n y el tachogenerador como un proyecto de bricolaje si sigue los pasos descritos en el manual del usuario

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I managed to resolve that problem. When you have BOTH F53 and F03 error codes, it's not a sensor fault (although F03 is the big cavity sensor and F53 is the top one)... it's a faulty capacitor trouble. On the main board there are 4 electrolytic capacitors, just replace all of them and you're ok again. It's quite simple and very cheap. :-)

Unplug for 30 minutes and plugin. Resets power to the board.

Same error. No fix find yet. Only push on/off button 3 seconds.

problem je v nedostatku vzduchu pri ventilatori,treba viac priestoru pre ruru


problem is the lack of air when fan, need more space for tube

solved by rotate the temperature knob!!!
maybe would be a problem of the potentiometer or knobe of temperature

Technical information is only normally available in repair manuals, these are not to be had on line unless you purchase them from a supplyer
If you are in the u/k go to:
www.hotpoint.co.uk
Click on after sales, and follow links.
Hope this helps.