On Wed, 15 Oct 2003 17:55:13 -0400, someone who calls themselves Bob
Engelhardt wrote:

Oil burners with intermittent ignition have flame sensors.
Photoelectric cells, basically. You might have one and it being faulty
would give your symptoms.

Sorry. Natural gas burners don't use cadmium 'photo eye' style
flame sensors. They often use one electrode that's inside the flame
both as a spark ignition source and then it senses the flame is lit
through flame rectification to ground - IIRC they apply a little AC
voltage and want to see DC flow to the burner ground.

Check to see if the sensor tip is out of the flame (though the spark
manages to light off the burner), the sensor base or the lead wire is
dirty and grounding out the tiny signal they want to see, the sensor's
wire tip is deteriorated, or the control box is toast.

Get a copy of the Honeywell instructions for the control box, IIRC
they're pretty well written to help with the troubleshooting.

-- Bruce --
--
Bruce L. Bergman, POB 394, Woodland Hills CA 91365, USA
Electrician, Westend Electric (#726700) Agoura, CA

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