Overheat

As per previous suggestions i purchased a Thermal switch which i successfully replaced and this cured the overheating problems with my Mira Sport Max. The shower has once again started displaying the overheat light and only supplying cold water, leading me to believe that the Thermal switch has failed again. Is there another component which could be responsible for the making the thermal switch fail.



The water flow rate is normal
Asked 11 years ago by Simon

After fitting a new TCO

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

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

Answered 11 years ago by Anonymous

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