Food takes longer than expected to cook, or heat can be felt escaping around the door
One ring/zone on the hob doesn't heat while others work fine
Door won't latch shut, or pops open during the cycle
Loud squealing or grinding noise while the drum is turning
Dishes come out with food residue, cloudy glasses, or a greasy film
Dishwasher shows no lights and doesn't respond to any button
Compressor is running but the fridge or freezer isn't getting cold enough
Hob makes a clicking or sparking sound but the burner doesn't light
Oven light and fan work but the interior doesn't heat up, or heats very weakly
Drying cycles gradually taking much longer than they used to