I have a Honeywell wireless room 'stat HCW80 and an associated relay module HC60NG, I have done the teach in and the stat and module communicate OK, the green LED on the relay module goes off when the stat is turned down below ambient and on when it's raised above it, the LED on the stat goes on and then the green LED on the relay module comes on OK.
But quite often the boiler doesn't kick in, sometimes it does but more often it doesn't, especially first thing.
Is there anything I can check myself or do I need to call in a spaecialist?
I have a reasonable level of electrical knowledge, multimeters etc/
Thanks
Steve
But quite often the boiler doesn't kick in, sometimes it does but more often it doesn't, especially first thing.
Is there anything I can check myself or do I need to call in a spaecialist?
I have a reasonable level of electrical knowledge, multimeters etc/
Thanks
Steve