Hi all-
I have a Potterton Profile boiler which has been working fine but now turns off by itself when using the central heating. Room thermostat set to max, controller set to 24hr constant for central heating, off for hot water. If I set the dial on the boiler to 3 or 4, the boiler fires up, hot water goes to the radiators. Over a period of time (hour or two) the dial slowly goes down to 1 and the boiler turns off. If I move the dial back to 4 the boiler turns on again.
Is this a normal function to protect the boiler if it is overheating i.e. fault is elsewhere, or is this due to a thermostat fault?
I have bled the radiators, pump and fan seem to be working.
I have a Potterton Profile boiler which has been working fine but now turns off by itself when using the central heating. Room thermostat set to max, controller set to 24hr constant for central heating, off for hot water. If I set the dial on the boiler to 3 or 4, the boiler fires up, hot water goes to the radiators. Over a period of time (hour or two) the dial slowly goes down to 1 and the boiler turns off. If I move the dial back to 4 the boiler turns on again.
Is this a normal function to protect the boiler if it is overheating i.e. fault is elsewhere, or is this due to a thermostat fault?
I have bled the radiators, pump and fan seem to be working.