Why does my boiler says flame failure?

If Flame Failure occurs frequently consult your Installer. This indicates that the Burner has fired up and is heating your system. This indicates that there is electricity to the Boiler. Turn the Central Heating Control Knob clockwise to increase or anticlockwise to decrease the boiler flow temperature.

How do I reset my main Combi 24?

Turn the selector switch fully anti-clockwise against the spring pressure to the ‘Reset’ position and hold for at least 2 seconds. If this occurs repeatedly contact your Installer or Service Engineer. If the boiler does not relight after resetting it is possible that the flue has overheated.

How do you fix a flame failure lockout?

Regardless of the culprit, you will have to perform a reset procedure to get your furnace out of lockout. Most modern gas furnaces can be reset by turning off the power, waiting around 20 seconds, then switching the power back on. Other furnace models may exit lockout after 1-2 hours and attempt to power on again.

How does a flame failure device work?

Your Flame Failure Device is a key safety feature for your cooker. It is responsible for stopping the flow of gas to the burner of your gas cooker if the flame has been extinguished for any reason. This will prevent the build-up of harmful gas inside your cooker and kitchen.

How do I reset my main boiler?

Follow these simple instructions to reset your boiler:

  1. Refer to your boiler manual.
  2. Push the reset button for 10 seconds.
  3. Wait 2 – 3 minutes, the boiler should fire up.
  4. Repeat twice if the first attempt fails.
  5. If the boiler still fails to fire up on the third attempt, double check the gas supply.

How do I know if my flame sensor is bad?

Follow these steps to test the flame sensor:

  1. Ensure the furnace is properly grounded.
  2. Make sure your polarity is correct, hot (L1) connected to hot, neutral (N) to neutral.
  3. Ensure the rod is positioned so it will be covered by the flame.
  4. Get a meter that reads in micro-amps.
  5. Connect your leads in series.