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Discussion Starter · #1 ·
So the other day my Z4 shuts down with the symptoms of thermal switch issue (blinking red/yellow lights, lamp doesn't turn on, shutter closes after 30 seconds). The projector only has 400-500 hours on it and the bulb is only a 300 hundred hours old. So last night I unplug it and take off the cover to reset the thermal switch, unfortunately, when I start it up it doesn't seem to fix the issue.


My question is regarding the switch itself...should it click or stay in a depressed position? Or like I observed on my unit, do you just push it down (about a millimeter) and it returns to the original position? I think this may have happened at 200 hours, I bought a new bulb which didn't fix the issue and then I sent it in to Sanyo under warranty...I'll need to look at my records to confirm.


Also, I'm at 5,280 foot elevation in Denver, so once I get it back up and running I assume I'll have to tweak the fans.
 

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Discussion Starter · #2 ·
Problem solved...hitting the switch alone didn't seem to do the job so I swapped back to the original bulb and that did the trick. Ironically that's the bulb that I replaced due to a similar error.
 

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I wonder whether this is the problem I'm facing as well with Z2000.


Does Z2000 also have this thermal reset ? How do I tell whether it is a thermal reset problem or the bulb is gone ?
 

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I am having a **** down also on my Z2000. I also removed the cover. I don't see a thermal reset button. I have yellow and red blinking lights. The unti turns on for about 30seconds and closes w no picture on the screen.
 

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Discussion Starter · #8 ·

Quote:
Originally Posted by tritontr21 /forum/post/0


I am having a **** down also on my Z2000. I also removed the cover. I don't see a thermal reset button. I have yellow and red blinking lights. The unti turns on for about 30seconds and closes w no picture on the screen.

Mine didn't look anything like a button or switch. Just look for a small white dot about 2mm wide. Think it had black plastic around the white...assuming it is the same as the Z4.
 
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