Thursday, January 7, 2010

Our oil burning furnace did not ignite when we hit the reset button. The oil tank is full. What should we do?

call a repair personOur oil burning furnace did not ignite when we hit the reset button. The oil tank is full. What should we do?
First, don't hit the reset button too many times. You may dump oil into fire box and if it does ignite you could have a surprise. Is there power to burner?


Your trouble could be any one of several possibilities.


Fuel pump- fuel filter- suction leak in fuel line- burner nozzle- electrodes.


There is a petcock type bleeder on pump, put can under it, hit reset, see if oil pumps out solid amber( not milky which would mean air). If nothing pumps out, could be clogged filter. Nozzle needs to be a certain G.P.H. and correct spray angle to boiler specs. Electrodes have to be set approx. 3/16'; apart @ tip and 3/16'; out from end of nozzle. It's pretty technical.Our oil burning furnace did not ignite when we hit the reset button. The oil tank is full. What should we do?
did it light at all like for a few seconds ,if so your have air in the lines and your have to bleed the fuel line,if it did not light at all check the on and off switch on the furnace then check the fuse, if they are all good you probably have a dirty electric eye that needs to be cleaned,or the contacts in your control/reset box are bad. if you are not familiar with furnaces call in a service man to have it cleaned and checked. do not keep hitting the reset button more than 3 times as it may cause an explosion.
you did not say whether or not the burner motor started when you hit the reset button. if it did not start, i would look at the breaker in electric cabinet. if it DID start, i would look at the electric eye or note if fuel was being delivered to the nozzle. if no fuel to the nozzle you could have a clogged nozzle, which is very common or air in the system. i, personally, would pay attention to the nozzle. also, can you do this work yourself? like changing nozzles, adjusting points? if not, then you should call a repairman. i would be cautious working around it if you are not familiar. good luck
If you're a handyman type, I, consult the manufacturer to get help. Otherwise I'd call a service professional. When it comes to furnaces and fuel etc, all you have to do is make one wrong move, if you know what I mean?

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