Recent content by IrishTaff

The boiler is Grant Vortex External Combi 36kw. I can use a multi meter, I have checked the supply to the CHP and there is not power.

Grant combi boiler. No light on CHP but programmer set to constant, no electrical power to pump, DHW light on and pump running but programmer set to off. Checked one way value on CHP and free and working. Changed programmer but fault remains, System has been operating for several years without...