nordyne M1 series flashing pressure switch open

Questions about repairs and parts for Nordyne furnaces, air conditioners and heat pumps for manufactured homes including Intertherm, Mac and Miller brands. Click here for Nordyne parts.

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fouryounglings
Posts: 1
Joined: Mon Oct 17, 2011 8:20 am

Mon Oct 17, 2011 8:24 am

Our nordyne M1 series furnace was flashing 3 lights pressure switch closed so we replaced the pressure switch. now it is flashing twice pressure switch open. Help what else could be wrong for thsi error code?


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