Hello
Sorry to hear this. Is your PlayStation in an open space, and are the fans working?
If that isn't the problem, then i recommend to contact the PlayStation Support. Let me know your country, then i can give you the right contact place.
You can contact them here:
New Zealand https://www.playstation.com/en-nz/get-help/contact-us/
Telephone 09 801 1235
09:00 to 22:00 Monday to Friday
12:00 to 20:00 Saturday
Australia - https://www.playstation.com/en-au/get-help/contact-us/
Telephone 1-300 365-911
08:00 to 20:00 Monday to Friday
10:00 to 18:00 Saturday
Live chat - https://www.playstation.com/en-gb/get-help/help-library/apps---features/playstation-uk-live-chat-support (UK and Ireland only)
Telephone - 0203 538 2665
10:30 to 19:00 Monday to Saturday
-Jaron