Should the blue light on a Worcester boiler be on all the time?

Should the blue light on a Worcester boiler be on all the time?

The blue light on a Worcester Bosch boiler is typically there to highlight that the boiler has power going to it. In addition, it may point to a socket failure – it is worth checking a few other appliances in the house to check that they work OK, using the same socket that the boiler is usually plugged into.

Why is the pump running constantly on a Greenstar CDi boiler?

The pumps on the Greenstar CDi range have a permanent live feed to them. The pump will run constantly to monitor the flow temperature and maintain heat curve. The PCB is faulty and telling the pump to run when it should not be running.

What does it mean when the blue light flashes on my Worcester boiler?

When a Worcester Bosch has a fast flashing blue light this means the boiler has gone into service mode. This could be for two potential reasons. Either the boiler has been serviced recently and has accidentally been left in its service mode or, alternatively, you may have accidentally knocked the switch yourself.

What does the ECO button do on Worcester boiler?

What is eco-mode? This function will switch off your preheat settings, which means it may take slightly longer for hot water to come through the tap. If it is not selected, the preheat is on and there will be a “quicker response to a hot water demand”, say Worcester.

Should boiler pump run all the time?

The pump should run for a few minutes after the call for heat has ended. If the pump runs continuously when the boiler is off the overrun control is faulty. You will need a Gas Safe qualified engineer to repair the boiler.

Do circulating pumps run continuously?

If you are concerned about how this constant operation might affect your energy costs for heating the water, there is no need to be. While the system is capable of running continuously, it doesn’t always do this. Most hot water recirculating pumps come with sensors or timers to regulate operation.