I have 2 heatstore storage heaters in the house , one is a combination one. The combination one, doesn't charge at night but the light comes on at 11.30 as usual, the convector works fine during the day though. I don't think it is a problem from the source because the other storage heater is working fine. What could be the problem?
it may need resetting,you will need to remove the front panel. the reset is located at the top right hand side but it is not obvious,it is silver and faces upwards,just press it down if you hear a click youv'e done it
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Try fixfault.com to fix convector heaters.