Error code 31 on a Payne furnace.Post created: 2016-02-23 Type of Equipment: Furnace Views: 201
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On 2016-02-25 Gary wrote:
Error code 31 refers to a pressure switch open problem. This could be caused by a number of things, including a faulty switch, a plugged vacuum tube, and a problem with the control board. This sort of problem may require the skills of a heating contractor to repair it. If you'd like to have a contractor take a look at your furnace, we can help you find one, here.