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Author Topic: what is lamp retry
Ashitaka

SuperFan!
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Icon 1 posted October 15, 2010 13:12      Profile for Ashitaka     Send New Private Message       Edit/Delete Post   Reply With Quote 
I have a projector acer H7530

Sometimes, unwanted, the projector goes black and the power button flashes purple.

THe fan does not run when this happens, which is bad, because even when a projector runs well and you turn the lamp off you want the fan to run for 5 minutes to cool the lamp.

If the projector shuts off because it got too hot, the fan should continue to run to cool the projector.

reading the manual, this is, i think, the code for "lamp retry"

There is no mention of what lamp rety is in the user manual, only themention that the power button flashing indicates this.

I found no mention of lamp retry on any acer internet site.

googleling what is lamp retry was no help.


WHAT IS LAMP RETRY?

I s this my problem.

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"If they're not gonna make a distinction between Muslims and violent extremists, then why should I take the time to distinguish between decent, fearful white people and racists?"

-Assif Mandvi

Posts: 3089 | From: Switzerland | Registered: Feb 2006  |  IP: Logged
Xanthine

Solid Nitrozanium SuperFan!
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Icon 1 posted October 15, 2010 14:49      Profile for Xanthine     Send New Private Message       Edit/Delete Post   Reply With Quote 
I'm going to hazard a guess that this is an arc lamp and it's having issues sustaining its arc. Probably bad ballast or maybe a bad power supply. "Retry" is basically "reignite". And no, you can't do it if the lamp is hot.

I use a mercury arc lamp for brightfield imaging on my microscope. If it fails for any reason I just replace the lamp entirely.

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Posts: 7670 | From: the lab | Registered: Mar 2001  |  IP: Logged
TheMoMan
BlabberMouth, a Blabber Odyssey
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Icon 1 posted October 15, 2010 17:25      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ Some LCD devices use an inverter to get the voltages needed to operate the lamp, if the inverter fails, it will no longer make any of the voltages needed for operation. Some of us in the Ham field are debating what part fails first and if we could save the rest of the parts by Preventive Maintainence, I feel that putting a new inverter on an old lamp will take out the new inverter, just my thoughts.

____ Ash I did Google "lamp retry" and found some descriptions that lead me to believe that Lamp Retry is a timing mode counting down until the next safe retry for lighting the lamp.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


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Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged


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