have checked my wiring there are two plugs coming out of casing a triple with a green and i think a grey and an orange wire then there is a double plug with two skinny black wires i have the red and the orange and grey going to the sensors and the black skinny two going to the heaters i think you are saying this is the wrong way round? also have you heard of the front sensor behind the control panel i dont get a reading from this one and i dont get a reading from the one furthest from the heater element regards iain
iain reid
November 2011