Out of the blue our oven/broiler/convection oven/blower fan/clock etc. just stopped working. Nothing to indicate the reason. Range elements still work (we only use two) but one of them is slower to heat up now. Is there a reset button or fuse I should try to locate? I can't afford a repairman, so I am using our 'easy bake' oven in the meantime. Any suggestions? Thanks.