What does 9f mean on Worcester boiler?
The error code (9f 855) on the boiler suggests there’s an oil delivery issue, manual says “check fuel supply”.
How do I fix the EA code on my Worcester boiler?
Try to rest the fault first by pressing and holding the rest button for 5 seconds. Firstly there is no need to panic and think that means gas is just pouring out of your boiler. The EA fault code is an activation of a safety device to prevent any gas being let out when the boiler has failed to light.
How do you fix an A21 fault on a Worcester boiler?
Madrab. Take your thermostat off the wall and take it over to the receiver and see if it reconnects. If not try new batteries. If it still doesn’t work then the unit may have a fault and might need replaced.
How do I reset my Worcester boiler?
To reset the boiler: ► Turn the Central heating temperature knob anticlockwise to the “RESET” position and hold for approximately five seconds and then turn the knob back to the original temperature setting.
What does burner lockout mean?
Boiler lockout is a term used by boiler manufacturers to mean that the boiler has effectively shut down. When a boiler has a fault, ‘lockout’ prevents further damage. If you look on the front of your boiler you will usually see a reset button. Your instruction manual will say to press this to reset the boiler.
What does EH mean on my boiler?
EH 258. Control box or the heat control module (HCM) is defective – HCM or control box connections need to be checked. F1 259. Control box or the heat control module (HCM) is defective – HCM or control box connections need to be checked.
Why are the numbers flashing on my boiler?
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. On this model of boiler it means the service is due. The display will flash between this symbol and the flow temperature.
How do I reset my Worcester comfort thermostat?
- Turn the knob to select F 1.
- Press the knob to enter the factory reset function, a 0 is.
- Press the knob and the figure flashes.
- Turn the knob to select 1.
- Press the knob to confirm and the figure changes back to 0.
- The Room thermostat is now set back to the factory default.
Why is my boiler reset button flashing?
Usually, when modern boilers need resetting they will display a fault code or begin to flash a red or green light. These signals indicate that your boiler senses a problem, which is why it has stopped working and needs to be reset.
