Hotpoint BU62 display works but nothing else does.

This page has the fit-in dimensions and installation instructions start on the previous 2 pages.

https://www.manualslib.com/manual/70701/Hotpoint-Bu62-Bu65.html?page=33#manual

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main control board,take it back,its expensive,1 year warranty

Is there a black pole sticking out that goes in when you close the door, my Hotpoint freestanding cooker has it on the right hand side, once this is pressed in the fan and heat starts, i had to replace it on my cooker as it went faulty and stopped things working (all I had was the main oven light on, these are usually like a little black box that are situated on the side of the oven just behind the main metal panel on the outside and will normally have 2 pull off spade connectors connected to it.
i don't have the same model as you but hopefully this mig help you.

You need to replace thje oven element, located behind a removeable cover at the rear of the oven compartment.
Good luck.

Sounds like either the thermal fuse (located on back of oven ... has to be pulled out of wall to replace) or a failure on the control board.
Best Regards,
Bruce
www.fixyourboard.com

All appliances must have a rating plate attached. This gives the load etc. It hsa to be there by law, and on some appliances, is duplicated on the back. Max draw on a double oven would be 3 elements and a fan.

electronic clock I presume. first of all turn power off then back on. Clock display will now be flashing.
press and hold the two buttons far left and hold in. at the same time press the + or - button to set clock. You should also have a pan icon between the hours and minutes iluminated which means you are in manual mode

keep turning the oven/grill selector past the temperature settings, it feels like it won't go any further but it does!

sounds like the bott oven element has gone, or faulty thermostat.

hi there as long as your supply to the cooker is ok the problem can only be one of two things the mains terminal block burnt out or the overheat cutout has blown at the back of the cooker