WhirlPool Gold Dryer won't run!

Dryer Repair
,
1

Need help…suddenly - our Whirlpool Gold dryer lights up for the selected cycle - however, it won’t run when you push START? Any ideas?

2

Clean out the dryer and the filter compartment and then replace the fuse:
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3

I have purchased on this site the door handle replacement (part AP3033588), but I have no idea how to put it in: I found only three screws to unscrew, but the door doesn’t come apart. I am afraid to break the door. How pros are doing that?

The Whirlpool Model is MH7140XFZ-0

Thanks,

Vladimir