Electric showers are loved by many! The water is instantly hot, and the flow remains constant, as does the temperature. It sounds ideal, and it is, at least until you run into a problem. More complex problems with an electric shower will require a plumber or electrician, unless you’re well versed in both. However, it’s quite possible to do some basic troubleshooting yourself.
Shower Cuts Off - If the electric shower cuts off after about a minute of running normally, the problem might not be in the electrical system. Try removing the shower head (it will unscrew) and then tip it upside down over a bowl. You should find some limescale tipping out of the shower head. Buy some limescale remover and place the shower head in it, holes down. This will remove the limescale that’s clogging the shower head. Remove the shower head and wash through with cold water to take out all the debris. Screw the shower head back on and try the shower again. With no more clogging the shower should run normally. What has happened is that, as the water stays too long in the heater, the cut off kicks in and stops the shower.
Flow Rate - In winter, you want a hot shower so you turn up the temperature of the shower. As the water coming into the shower is cold and is heated in the shower, the flow rate will be low. This leads to a low flow rate in the winter. Don’t be worried by this, as it’s perfectly normal. In this instance, you should simply increase the flow rate.