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
Drum turns normally but clothes stay cold and damp instead of drying
Chalky white film left on glasses and dark plates after washing
Standing water left in the bottom of the dishwasher at the end of the cycle