今有一事不明请教于诸位(电）

Hardwired smoke alarm, wired as shown in manual,all new, from the same box, should not have compatibility issue, right? Each one worked, but not together.

Any ideas?

It's not the existing lines. I cut a 14-3 line just to test them. Did not work.

所有跟帖： 

• the code require separate wire directly from pannel -jy101- ♂ (69 bytes) () 05/05/2012 postreply 18:44:31

• the manual says 3 wire (naked copper not used) -borisg- ♀ (0 bytes) () 05/05/2012 postreply 18:47:04

• I think need both signal wire to sync -jy101- ♂ (0 bytes) () 05/05/2012 postreply 18:48:43

• 回复：I think need both signal wire to sync -jy101- ♂ (75 bytes) () 05/05/2012 postreply 18:51:28

• 四条线才能同步. -wooddiy- ♂ (273 bytes) () 05/05/2012 postreply 20:28:08

• what's wrong with wxc these days ... -wooddiy- ♂ (0 bytes) () 05/05/2012 postreply 20:29:10

• HD sold detectors has only 3 lines: blk, w, and r -borisg- ♀ (0 bytes) () 05/05/2012 postreply 20:57:02