My CH and HW aren't working, my boiler is flashing F L, what does this mean?
FL is flame lockout! With oil burners, especially, what happens is the photo cell gets a build up of carbon and soot, so it doesn't sense the pilot light. Call a sevice company to come and check it out. With natural gas, there could be an issue with the gas train. professional service is required!!
Yep! FL=Flame lockout. If you feel confident enough they try and clean the fire eye yourself. But I'm talking with gas powered boilers, it's commonly where you can see the flame. It usually screws right off. Then squeaky clean the eye and place it back in place. You may have to go to your controller where you see the FL and see if there's a reset. Now if it's oil powered, then you got me. GOOD LUCK! If it still doesn't work then call for help.
If the warm water circuit works by using gravity and the heating circuit is pumped then it must be a partial blockage or air interior the HW circuit.whilst the heating comes on the pump will help the flow around the warm water coil because of the fact of a factor talked approximately as an injector tee. first factor to envision is that there is lots of water interior the gadget,then verify for sludge interior the pipework. If the gadget has 2 motorised valves then the top change interior the HW valve isn't bringing the pump and boiler on,they are in basic terms being activated by using the CH zone valve. superb wager is to telephone a community heating engineer. once you're saying gravity fed,do you advise fed from a tank interior the attic or the HW circuit has 28mm flows and returns that warmth by using gravity? On a gravity gadget the open vent must be linked to the optimal factor on the common flow,yet air can get trapped on the relationship onto the coil,it ought to have a brass setting up,slacken it various turns,if there is any air the water rigidity ought to push it out.Tighten the relationship then repeat various cases to verify. Gravity structures are previous,until its stable gas,and it possibly desires a chemical flush.
might be the flame lockout on your boiler.if it is oil fired it will have a photo cell that registers the burner is producing flame if the cell does not register a flame it automatically locks out the boiler and prevents fuel being sprayed into the combustion chamber suggest you have it serviced
