New Defy stove cookers died in 23 days of purchase

I bought Defy Hob and Oven on the 17th of December 2023 and it was installed on the 23th of December, everything was working fine till the 13th of January 2024, called House and home and a call was logged for a technician to come check the Hob and I was told they log for replacement, till date nothing has been done I called their costumer care and I was advised the request was sent to Thabo the manager and he has not rep****, now m sitting this **** stove that I paid for and can't use it only because of Thabo not calling and authorizing replacement mind you this on 29 days since connected iyoo I want explode with this brand defy is a mess