[SML] Failing CD80 rack

Dale Farmer dale at cybercom.net
Thu Nov 18 02:21:43 UTC 2021


Yeah.  Open them up and aggressively clean out all the dust and crap 
that will have built up.   Make sure all the fans are working and 
blowing in the correct direction.     If that doesn't help, look at 
power supply for voltage sags.

Dale

On 11/17/2021 2:42 PM, Jerry Durand via Stagecraft wrote:
> Clean contacts on connectors?
> Fans all ok?
> Dust buildup on heatsinks?
> Nest of space worms on the circuit board?
> 
> 
> When I worked for big companies, I managed to get an expensive piece of 
> test gear transferred to my department for free because it would only 
> work around 10 minutes at a time.  I replaced the failing fan and the 
> completely clogged air filter and wonder of wonders, it worked perfectly 
> after that.
> 
> 
> On 11/17/21 9:41 PM, Andrew Vance via Stagecraft wrote:
>> The space I'm working in has five racks of CD80s [I know], and one
>> appears to be failing. Rack 2 keeps going into panic mode and the
>> active processor LED goes dark. After a few seconds [or minutes at
>> times], it returns to normal. Following advice from the internet, I
>> reset power to the rack, which seems to work for awhile. This behavior
>> occurs whether the lightboard is on or off. But its intermittent,
>> meaning it occurred yesterday morning, but was fine the rest of the
>> day. Then it started happening again this morning.
>> So my questions are: Anything I can do to mitigate this situation? I
>> fear its the control card failing. Does anyone have a spare control
>> card [or two] laying around that I could beg/borrow/buy off you? [Im
>> located in LA if that helps.]
>>
>> Thoughts?
>> --
>> Sincerely,
>>
>> Andrew Vance
>> Lighting Designer
>>
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> 
> -- 
> www.DurandInterstellar.com
> www.DurandInterstellar.ru
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> Goryachiy Klyuch, Russia
> 
> 
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