hi im new to the forum and could do with advice on storage heaters.i have a 3.4kg storage heater which has been working fine for the last 2years,got up one morning to a cold home and by isolating the storage heaters one by one i found the one that is faulty.i have taken the front panel off checked all the connections and all elements,they all look fine.when i turn the heat control up and down there is no click from the stat ,would you need the power on to do this.if you put this heater on the m.c.b goes straight off.can anybody help please.