cold water ony
I replaced the TCU . now its only cold water thats coming from it ?
A faulty TCO will have no continuity across the two terminals(The black thing on top of the heating tank)
Therefore a good TCO will have power at both connections and afaulty TCO will have power at only one.
(The function of the TCO is, if the water over heats it cuts thepower off to the elements)
SeeVideo.
http://www.youtube.com/user/showerdoc#p/u/2/_zi8JbEMYMs
If there is someheat it may be a faulty element in the heating tank (there are two, three inmost 10kw showers) you can check them with a multi meter you should have areading of around 12>18 ohms.
If you have power tothe elements and no heat it's probably the elements, no powerto the elements then it's probably a micro switch.
If you don’t have amultimeter we sell them at £10 each with a guide on how to use them for checkingand testing the various parts of your shower.
Apart from helpingto fix your shower, they are really useful for checking you have a power supplyto appliances, for checking fuses, letting you know much power you have left inbatteries
(so you know if theyare dud or not) and lots of other jobs, in short they are well worth the £10.
http://www.showerdoc.com/installation/electrical-products/SKYTRO-600-005-Digital-Multi-Tester
Answered 11 years ago by Anonymous
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