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- Sun Nov 28, 2010 10:40 am
- Forum: Help and Advice
- Topic: Two MA-ND3 Failures?
- Replies: 1
- Views: 5921
Two MA-ND3 Failures?
I have two zones that each use an MA-ND3 damper controller. Is it possible that both failed at the same time? I woke up yesterday and it was extremely warm upstairs (Zone 2), but cold downstairs (Zone 1). When I turned up the heat in Zone 1, no air was coming through the vents, but it was coming thr...