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- Mon Oct 17, 2011 8:24 am
- Forum: Nordyne Service & Repair
- Topic: nordyne M1 series flashing pressure switch open
- Replies: 0
- Views: 7171
nordyne M1 series flashing pressure switch open
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?