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- Tue Sep 14, 2021 5:38 pm
- Forum: Fire Panels - 640,2020,3030
- Topic: Test F
- Replies: 0
- Views: 1341
Test F
Has anybody seen this. I have a NFS-640 V12 reading Test F on all Smokes, Duct Dets and Heats on the built in SLC loop 1. If I remove SLC it will go into trouble INVALD REPLY and after reconnecting all Detectors go back to normal. It'll stay normal for a day or two then all Detectors go back to Test...