auto reset
I think you may have afaulty Thermal Cut Out
A faulty TCO will haveno continuity across the two terminals (The black thing on top of the heatingtank)
Therefore a good TCO will have power at both connections and afaulty TCO will have power at only one.
(The function of theTCO is, if the water over heats it cuts the power off to the elements until thewater cools, this can take up to 15mins)
SeeVideo.
http://www.youtube.com/user/showerdoc#p/u/2/_zi8JbEMYMs
After fitting a new TCO
When fitting anew TCO listen to the shower, after it has completed its first on/off cycle, ifwhen it is switched off you hear it continuing to heat (Noise like a kettlestarting to boil) this will mean that there is a switch or a relay that is stuckin the on position, this is keeping an element energised and this is probablywhat caused the original TCO to fail.
If this is thecase replace the faulty switch or relay and make sure that you switch the showeroff at the isolating switch when the shower is not in use because this may causethe new TCO to fail.
Answered 11 years ago by Anonymous
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