Worcester 24Ri boiler fault problem fix blue light flashing no green light no heating no hot
5.Service Mode. 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.
Worcester 24Ri boiler fault problem fix blue light flashing no green light no heating no hot Read More