Gas won't come on or ignite

Old 12-07-06, 02:49 PM
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Gas won't come on or ignite

I have a Carrier Weathermaker I. When the thermostat is turned up, nothing in the unit ignites the gas. Any suggests on components to test would be greatly appreciated.

Old 12-07-06, 08:30 PM
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The whole system dead?

Fan work when you turn t-stat fan switch to ON?

If yes, is the small induder fan motor running when you call for heat?
Old 12-08-06, 06:28 AM
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Something similar happened to me

My gas furnace stopped lighting, and luckily the previous owner of the house had left a spare hot surface ignitor (leftover from a maintenance job). I installed that and kept the family warm. It's an easy fix IF you that's the problem and IF you have a replacement part in hand or available near by. I then bought a backup ignitor from just in case (a lot of good info on that site).

But: Jay11J brings up a good point: please tell what noises the furnace makes, if it *looks* like it wants to light, or if it's just plain dead.

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