Cyberlight lamp always on

I have one power pcb of a cyber that when you power on the fixture, the lamp goes on. I have changed some wrong SC but still doing the same. I have been looking in the schematics everything about the lamp lighting control and power, but i haven´t found anything wrong...any idea?
The problem is in that pcb because i have already tried in another working fixtures.

0 puffyfish - Former HES Forum Member over 17 years ago

Ditto. Easy thing takes 10 min.:D

[quote=chris_litz]Hello, If the lamp is striking immediatley when power is applied then the lamp SCR's need to be replaced.
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0 woodj32177 - Former HES Forum Member over 17 years ago

you could even swap the offending scr with the one from the power factor cap if I remember correctly.
That one never turns off...
It has been a while since we talked about cyberlight at high end training though, I am pretty sure that is correct.
Joshua Wood
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0 leafar - Former HES Forum Member over 14 years ago

HI, any ideas on how to shutdown a cyberlight? I shutdown all the cybers from the hog ipc and all of them do but this one cyber, I try a few times a it doen't want to shutdown. Is there another way to shutdown manually from the cyber? what can be wrong with the cyberlight?

Thanks

Rafael
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0 tadawson over 14 years ago

Remove DMX from the fixture, and wait about 10 minutes . . . if it is still lit, then there is definitely a problem with the lamp SCRs - they all shutoff with no DMX, and I don't think there is any way to disable that feature.

- Tim
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