What are the fault codes on a Worcester boiler?
What are the fault codes on a Worcester boiler? Worcester Bosch CDI Highflow Combi Boiler Error CodesFault DescriptionSystem BehaviourD6Internal heat bank overflowEAFlame not detectedE2Primary negative thermistor coefficient (NTC) defectE9Safety temperature limiter in central heating (CH) flow stat tripped Why is my Worcester boiler flashing numbers? The boiler is programmed to increase its flow temperature by a certain number of degrees per minute. The display will flash between this symbol and the flow temperature. The heating circuit pump is blocked, please ring 0330 123 9559 to arrange an engineer appointment. How do I clear the error code on my Worcester boiler?...