Question about InFocus LP 600 Multimedia Projector

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Please help when i plug up the projector it display on top that its warming up and after about 3 trys its say the lamp didnt strike does that mean i have to replace the bulb or what? if so do someone where could get one cheap

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Re: please help

I believe that does mean the lamp is dead. If your model is the LP600, you need the SP-LAMP-019. A quick search on eBay found one for $320 new. From the InFocus website it is $499 so that is not a bad deal. InFocus offers a 6 month warranty, so that is something you will want to keep in mind.

Posted on Nov 09, 2007

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My projector has stopped working and has a message saying bulb not striking does this mean the bulb needs to be replaced

Diagnostic...1, 2 or 3.
1- Ensure that the lamp door is present and closed.
2- Can you hear the safety switch open and close? (when you close the lamp door). If you hear it. its ok, if not, replace it.
3- Replace the lamp.

Jun 20, 2010 | InFocus ScreenPlay 4805 Multimedia...

5 Answers

Lamp didn't strike


lamps are affected by strikes. each strike erodes a part of the anode. so in essence, the lamp wears out. However a Xenon has a much longer hour life as once it is running, it cares "relatively" little about how long. SO for commercial units, this is an advantage. there are also larger potential issues about colour stability over life.

with UHP, they care only minimally about strikes, it really is not even a strike, so while frequent on and off can kill it early, with normal usage, you are going to be fine. However with a UHP, if a lamp runs for longer times... then you have issues. THe way i had it explained to me was as such;
With a UHP, it gets up to proper operating temp in about 5 mins. once it is there... it SLOOWWWLLLLLYYYYY continues to heat up. After about 2-3 hours, it starts going outside the nominal operating range. once it does so, it starts to degrade the lamp. thereby lowering life expectancy. if you shut it off after about two hours or so and let it cool for ten mins then do it again for two hours... you are in a much better place. In a grand scheme, apparently if you run the proj for an average of 4-6 hours every time, then expected lamp life goes to about 50%. THis is very rough and in a general sense so just take it as general guidelines.


Lamp life for a projector will vary based on many factors including application, installation, intake of cool air and exhaust of hot air, usage, and proper maintenance. Heat buildup can reduce lamp life and even damage your projector. Here are some tips to help your projector lamps last longer.

Once you turn on your projector, wait at least five minutes before turning it off to allow the fan to properly cool the unit. After the fan has cooled your projector, you may unplug it and store it as desired.

Do not obstruct the air intake or exhaust vent. Paper should not be placed on top of a projector, or where vents are located.
Keep the exhaust vent at least two feet from any object.

If the projector is built into a compartment, wall, ceiling or shelf mount, the minimum distance requirement (usually at least two feet) stated in your owners manual must be maintained.

Clean the projector's air intake filter every three to six months -- or more frequently -- based on your operating environment.

Do not move your projector until the lamp has cooled (about five minutes).

Run your projector for two weeks and/or 20 hours shortly after your purchase. If the lamp is going to fail, it will usually occur within the first ten hours of operation. Lamp warranties typically last just 90-180 days from the date of purchase, rather than the first installation.

When you purchase a replacement lamp for your projector, remove the existing lamp and use the old lamp as your spare. If your projector is new, test the original lamp for the two weeks/20 hours before removing and storing as a spare.

I hope the info. which i have given you solves ur problem if not i am sad to say you have to get it repaired..

Please don't forget to rate me as fixya..

Feb 11, 2008 | ASK Proxima C170 Multimedia Projector

2 Answers

Lp600 won't strike

If you replace the lamp but do not reset the lamp hours then the projector will not ignite the lamp to stop it blowing up the lamp and causing further problems. You can reset the hours without the image, on the x2 version you turned on for 1 minute then held down the volume up and down buttons for 10 seconds but all versions vary. The infocus website can usually tell you how though you may have to look for it a bit. Failing that try a firmware update available from the infocus website that should erase its brain so you can start again, hopefully you have kept the original leads it was shipped with to do this otherwise it will cost you another £20

Feb 11, 2010 | Multimedia Projectors

1 Answer

Only warming up, no longer displaying after warm up

the ballast is not striking the lamp. replace the ballast.

Oct 14, 2009 | Toshiba TLP-S70 Multimedia Projector

2 Answers

Lp640 infocus   1 red light blink

lamp is not striking after 5 tries. try new lamp. if it still doesn'r work, you need to have the ballast replaced.

Jan 06, 2009 | InFocus LP640 Projector Multimedia...

1 Answer

Infocus lp 540

Also having this problem."Warming up" then "lamp didn't strike" then "retrying" stuck in a loop. It's at a school where I work and nobody has reported any messages regarding the lamp hours.

Jul 20, 2008 | InFocus LP 600 Multimedia Projector

3 Answers

Infocus 540 lamp didnt strike keep trying

if mains is ok and fan running ok, could be a bulb service issue, all lcd projectors have an internal lamp life counter which counts down and once the lamp has reached the end of its life it will not fire up and a new bulb will be required.

Dec 01, 2007 | InFocus LP 600 Multimedia Projector

2 Answers

Lamp didnt strike

Hi there

You should reset the lamp timer as this LCD Projector's counter counts down the hours and will not fire up if this has not been done.

If you have reset the lamp timer and the problem stil occurs , you'll have to replace the Ballastboard ( lamp's powersupply )

Dec 01, 2007 | InFocus LP 600 Multimedia Projector

1 Answer


I believe that does mean the lamp is dead. If your model is the LP600, you need the SP-LAMP-019. A quick search on eBay found one for $320 new. From the InFocus website it is $499 so that is not a bad deal. InFocus offers a 6 month warranty, so that is something you will want to keep in mind.

Sep 16, 2007 | InFocus LP 600 Multimedia Projector

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