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My oil boiler is a Danesmoor SLPJ 20-25 with an Electro Oil Inter 2011 burner. The oil tank ran out and after refilling the burner ran ok for approximately 6 minutes, the control box chattered and the boiler sound indicated flame out, with the blower continuing then re ignition, flame out, re ignition, flame out and then lockout. Considering restriction / air lock in fuel line, the tank filter was changed, pump filter was cleaned and fire valve was cleaned out which was giving a gunge restriction. Fuel flowed freely into a bucket at connection to burner. The problem is still exactly the same with an approximately 6 minute run, flame out, re ignition, flame out to lockout. Any ideas, Keith

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  • Anonymous Mar 14, 2014

    Hv a Bentone 832.3 boiler. Ran outv oil last sun, refilled tank nw the pump won't stay on! Help plez

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The actual final solution was to replace the fuel valve/solenoid following which the boiler has run without failure.
The conclusion was that the fuel valve solenoid was ok when cold but when heated up had some sort of electrical breakdown in its coils, causing the fuel valve to fluctuate until the boiler locked out.

Posted on Oct 17, 2008

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You could have a problem with a temperature sensor.
it would not be the flame sensor since it could not wait 6 mins to sense that there is flame in the unit.
could be a temperature sensor problem where it is sensing a temperature which could be correct but it is sending a wrong signal to the controller to turn off the flame and start another cycle.

tnx 4 using fixya,

drcool

Posted on Oct 04, 2008

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Posted on Jan 02, 2017

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