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Likely the fan blades are dirty and out of balance. If this projector is in a dusty or smoky place you will need to clean them (or have them cleaned by a tech) often. If you are not good with electronics, I suggest taking it to a dealer. If you can get the covers off properly, you will need use a can of compressed air to carefully blow out the projector and fan blades.
The NEC’s work on a reducing time basis, they count the hours that they have been operational and refer to this as the life of the bulb – 1600 hours. When the 1600 hours has been reached the projector shuts itself down into standby mode never to be restarted even after changing the bulb / filters. This is because the unit needs to be reset, which needs to be done as follows (not included in any of the bulb replacement instructions):-
Plug Projector in so it is in standby mode – Orange light lit, Red status light lit (not flashing)
Using the remote control, hold down the power off button for 30-45 seconds
This will reset the status button, removing the red light
Power up the projector and select Menu
Select Projector Options
Select Set-up – a number of tabs will appear called pages
Arrow across the pages (MT850 is Page 5) until an option called “RESET LAMP HOURS” is shown
Move onto this option and press enter on the projector itself, confirm that you want to reset the counter
Projector is now back to life
This works for all NEC projectors, the page number may be different though where the “RESET LAMP HOURS” option resides.
I don't thing that because you were not reset the time lamp used now your LCD projector stop function
What was exact the unit did? no power at all or some LED light up or flashing. In any case to reset the lamp time use you must enter when unit is on
As you mentioned you did replaced the new lamp, You should check again if you reinstalled properly the lamp and lamp cover because under the lamp cover it had a safety switch if this SW not active then the unit will be in protection mode
I sugges you to remove again the lamp and reinsert properly and secure the lamp cover and try it again and if it still is not go then let me know what are the status of the 2 LED
1. Projector lamps use customized ballasts that ignite the lamp
by charging it with a higher voltage in the ignition phase and then
dropping down to a lower running voltage once the circuit is created.
2. Projector lamps CANNOT
be tested with an AMP or OHM meter. Projector lamps function by
igniting ultra-high pressurized mercury vapor across an ARC tube. At
the point where the mercury vapor resides there is no conductive
electrical material and therefore testing a projector lamp with an AMP
or OHM will not work.
I purchased a replacement bulb for Infocus X2, shipping included for $249.00 cdn. $150.00 below nearest competitor.
The company is Advanced Presentations in Mississauga, Ont. their web site is; www.advanced-inc.com. Another location is at www.tiger.ca in Toronto and if they have it..... their prices are unbelievably inexpensive!!!! Good hunting and God bless...Capt. Hannu