[SML] Dimmers won't turn off

Kim Hartshorn hartshwk at plattsburgh.edu
Thu Aug 27 19:45:57 UTC 2015


DMX lines can pick up spurious signals at times that will turn a dimmer
on.  Sensors have a user setting to pick what happens after loss of signal,
I think the default is to stay on for 30 minutes so even a quick spurious
signal can turn your lights on and leave them on for awhile. This only
happens when the desk is OFF, if the desk is sending strong DMX 0
everything stays off.  Possible solutions include checking all shielding of
the DMX, leaving the desk on, disconnecting long runs of DMX,
opto-isolating branches....depowering the dimmers.
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