This question is regarding Galaxy Power Selector/pressure Switch Mx/ Neptune - SG06056

no power

hi got a call to look at shower in customers yesterday, arrived on site to find power present at terminals and solenoid, but no power led illuminated, got power at one side of each of the small grey micro switches but nothing on the other is it a safe bet tthe selector switch is faulty before i order it

thanks
Asked 10 years ago by Anonymous
It is unlikely that both micro switches are faulty.

I think you mayhave a faulty Thermal Cut Out (TCO).

A faulty TCO will have nocontinuity across the two terminals (The black thing on top of the heating tank)

Therefore a good TCO will have power at bothconnections and a faulty TCO will have power at only one.

(Thefunction of the TCO is, if the water over heats it cuts the power off to theelements until the water cools, this can take up to15mins)

SeeVideo:

http://www.youtube.com/user/showerdoc#p/u/2/_zi8JbEMYMs

After fitting a new TCO

Whenfitting a new TCO listen to the shower, after it has completed its first on/offcycle, if when it is switched off you hear it continuing to heat (Noise like akettle starting to boil) this will mean that there is a switch or a relay thatis stuck in the on position, this is keeping an element energised and this isprobably what caused the original TCO to fail.

If thisis the case replace the faulty switch or relay and make sure that you switch theshower off at the isolating switch when the shower is not in use because thismay cause the new TCO to fail.

Answered 10 years ago by Anonymous

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