That isn't entirely the case. The vortex by my parent's house back in Lewisville, TX faces a new direction every day. (They are SI'd every morning at about 3:15AM.) Also, Plano's 4008's were facing a different direction every day when I drove to work.Brendan Ahern wrote:When a Whelen siren goes off in SI-test mode, it does in fact return to a home position. There is a limit switch for this. On the 4004 it always faces north after the silent testing.
That doesn't sound right for it to just stop working. It must have took a direct lightning strike or damaged in some way for it to stop working after only 2 years of operation. If it stoped working for no apparent reason then Whelen would have replaced it at a major discount, or possibly even free (I don't know exactly how the contract/warrenty goes but I believe if the siren becomes inoperable anytime before a certain time period they replace the parts or the entire unit).Bama2001 wrote:Could it be possible that there broken? My grandmother's town installed a vortex in 2001. Somewhere in 2003 it stopped working and faced the same position for a year and was replaced with a 2001-b
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