Re: riello burner will not pump oil to nozzel to burn.
Revisit the photocell:
1. Check if you connected the socket end, into the two pins properly, as it is possible to miss a pin.
2. Try to borrow a working photocell or use yours in another burner to make a determination.
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Black smoke indicates a lean burn - meaning that the fuel to air ratio is to great for optimal combustion. This will cause a soot condition in the heat exchanger very quickly and drop efficiency. Too much air will make the burn to lean. The oil burner technician will do a smoke test and adjust the air intake damper on the burner motor as part of an annual tune up that includes setting the amount of carbon dioxide, excess air, stack temperature, draft and more. Doing so will provide the most efficient transfer of energy in the fuel to heat your building and prevent premature failure of the burner and furnace. To do this properly, you need the right test equipment - it can not done by "eyeballing" it.
If it actually fires up and you have a flame for 2 seconds and then it shuts off, I'd bet that the photo cell is either dirty or has failed. If it is dirty, it suggests that the burner has been neglected for some time and probably is in desperate need of a tune up. The photo cell is located under the ignition transformer and is aimed into the combustion chamber to see the light created by the flame from the burning oil.
If it is clean, the photocell has likely failed and will need to be replaced. If it still runs the same way after photocell replacement, it is probably related to the primary controller or one of the other safety devices. Is this a forced hot air or hot water system?
i have a riello oil burner 40 F5, starts to fire up for a few seconds and fails , but then it will start for a few minutes...then shuts off... house is not being heated sufficient. There's hot water but after one shower the water starts getting cold....fuel is ok any ideas please
There is a bleed screw on the pump, turn a 1/4 turn to the left, and bleed until oil is free of oil. On older pumps, instead or a bleeder valve it is just a plug, you will have to remove the plug, bleed, then replace the plug
problem is pump-must replace- there is a valve inside unit that holds pressure to about 150psi -it is leaking by when unit shuts down- causing problem. If left unrepaired you could blow chimeny connection with bad ignition. good luck
Replace the nozzle, don't try and clean it. After the burner runs a few seconds, do you have to reset the control (red button) before it will start again? Does it sound like there is a pulsation in the flame when it starts or it is running out of oil? You may have a bad ignition control. Start with the small stuff, nozzle, strainer filter, oil tank filter and then work to the more complicated.