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The burners on my Ruud Silhoutte II start for 5 to 10 seconds and then shut off. This repeats a few times and then shuts down. I replaced the igniter / sensor and still the same thing. The furnace does go through normal cycles occasionally and does keep t

Post created: 2016-01-12 Type of Equipment: Furnace Views: 99

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Ruud Silhoutte ll furnace. Burners turn on for 5 to 10 seconds then shuts down after a few times doing this. I replaced the igniter/sensor but it still does the same thing. The furnace does cycle normally more than not since I replaced the igniter/sensor so the house does stay at a constant temperature, but I would like to get to the bottom of this. Thanks

On 2016-01-14 Gary wrote:

The first thing to look for is a dirty or faulty flame sensor, but it sounds as though this may be the part you replaced. If it is, other possible causes could be a problem with the circuit board or a bad gas valve.

Problems like this can be difficult to diagnose. If you'd like to have a contractor take a look at your furnace, we can help you find one, here

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