How to fix F4 problem on condenser dryer?

I have a hotpoint aqualtis condenser dryer and the display is flashing up F4 .How can I fix it
AQC9 BF7
Tim Casey, May 2021


done
https://www.justanswer.com/uk-appliance/augvp-hotpoint-tumble-dryer-f04-fault-message.html#:~:text=F4%20error%20code%20is%20usually,Turn%20dial%20to%20off.

Plenty more results out there

Anon, May 2021
link Click here to see other fixes for Hotpoint.