Small kitchen appliances will ordinarily give years of trouble free service and with few parts to 'break down' are possibly the most reliable of all household gadgets.This site is not intended to diagnose faults or provide repair instructions as there are plenty of sites and You Tube videos on that matter.
However appliances that use and heat water, can all be affected by limescale - particularly coffee machines, kettles, steam mops and irons. If left untreated, they will use more electricity to run and may eventually break down. Small appliances are rarely worth repairing so it's best to keep them limescale free. Find out how to keep them running at their best.