Forums >> Revit Building >> Technical Support >> Recessed cans = no light

beccabecca11

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Joined: Thu, Dec 11, 2008
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I've tried everything - and seen people reference other threads on this, but can't find an answer:

I put recessed cans into a suspended ACT ceiling.  i took it one step further and added a parameter to the light family that allows you to dimension where the light source is in relation to the ceiling.  But I can only place the light source 0" from the ceiling, I can't put it below the ceiling.  My recessed cans are not showing light when rendered.  This is really frustrating - it's a Revit light in a Revit ceiling... shouldn't the two be programmed to work automatically?

the light you see in the picture is a "studio" light - just so the room isn't pitch blackusing Revit 2009

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corymac82

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Joined: Mon, Mar 27, 2006
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becca,

Two things you should check in the family editor.

1. The light source is not trying to reference a non-existent IES file.  If it is referencing an IES file, you might switch it to a generic definition that matches the fixture type.

2. Make sure the fixture housing and/or lense is not modeled in a way that it blocks the illumination.

I have had this trouble with most of my fixtures since upgrading to 2009.  I have had to modify most of those fixtures so that they work properly.  Perhaps you can attach the family and I will take a look.

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beccabecca11

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Joined: Thu, Dec 11, 2008
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