Carrier 58SS Short Cycling

Old 03-05-14, 02:50 PM
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Join Date: Mar 2014
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Carrier 58SS Short Cycling

Hey guys, I have an older Carrier 58SS that is short cycling.

With the thermostat calling for heat, the inducer starts up. Then the gas for the pilot light and a spark to light the pilot both start, followed by the pilot light igniting. The spark quits ticking shortly after the pilot lights.

About a minute after the pilot lights, the main burners kicks on and lights. At that point the burners run for 8-10 seconds and shut off. About a minute later the process repeats.

I have cleaned the entire system fairly well. Especially the 3 wire ignitor. Where should I go from here?
Old 03-06-14, 04:40 PM
Join Date: Jan 2014
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Check flame sensor is clean and registering proper milliamps. If that is good you may be losing 24v check pressure switches, limits, gas valve and power off control board, also be sure the nipple on the inducer housing is not blocked. Hope this helps.

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