Hi
2 year old potterton gas promax 24HE plus will not restart on the room thermostat, but can be reset by the reset switch.
Oddly, the display shows error E186 ( not on the list I have.)
Any ideas, please
2 year old potterton gas promax 24HE plus will not restart on the room thermostat, but can be reset by the reset switch.
Oddly, the display shows error E186 ( not on the list I have.)
Any ideas, please