Compressor is running but the fridge or freezer isn't getting cold enough
New or louder buzzing/humming noise from the fridge freezer
Microwave heats food but the turntable doesn't rotate
Loud rhythmic banging noise from the machine during the spin cycle
Display is blank or buttons don't respond, but the microwave otherwise seems powered
Combi microwave's grill or convection function isn't browning food
Display shows 4E, 5E, or UE (or the 4C/5C/DC variants)
Ice maker or water dispenser doesn't work, even though the fridge is cooling normally
Machine completes washing and rinsing but doesn't proceed to the drying stage