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York furnace flashing a 10 code

SaintsSaints Member Posts: 2
Our furnace has been working great for the last 9 years, have only had to replace the exhaust blower. So I checked the wiring, vacuum switches, cleaned the flame detector, and checked the ignitor. Any ideas on what's going on?


  • rick in Alaskarick in Alaska Member Posts: 1,086
    An error 10 on the York says it is sensing flame with the gas valve off. It could be a bad gas valve that is not shutting down, or possibly a bad sensor that is reading it. Either way, you need to have it checked out right away by someone who is familiar with this. If it is a leaking gas valve, it can be a dangerous situation.
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