Monday, 21 June 2021

Top 5 common faults with electric showers


We have posts on this blog for all the below issues so please see Index page here 


1) No water or power like a totally dead shower , check the incoming mains pressure is operating the pressure switch.


Top 5 common faults with electric showers


First it might be best to check that the mains stop valve is fully on , turned beck in 1/4 to 1/2 a turn to ensure it does not seize up.


Top 5 common faults with electric showers

Makes sure you turn any ISO valves on correctly

Top 5 common faults with electric showers


The micro switches should turn on correctly if pressure is set good.

Top 5 common faults with electric showers

Top 5 common faults with electric showers


See our test and replace micro switches post here 


2) Water goes hot and cold - usually pressure issue see above for more advice if ok them check the flow stabiliser valve inside make sure everything is ok if not replace the flow stabiliser valve.





3) No Heat water totally cold check the TCO and the heater elements.

Top 5 common faults with electric showers

Top 5 common faults with electric showers


See our test and replace TCO post here 


4)Water dripping from the bottom of the shower is a sign that the PRD has blown this can be caused by limescale build up in heater or shower hoses blockage so check these prior to repair.


Top 5 common faults with electric showers



5) No water or water cuts in and out , shower shuts off while using it. Test the solenoid valve. it should be around 3.7 K ohms 


See our post on solenoid testing and replacement here 


Top 5 common faults with electric showers


See the below video for more in formation and walk through all above electric shower problems.









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