Question about NEC Office Equipment & Supplies
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Posted on Jan 02, 2017
if the status light is flashing .5 seconds on and 2.5 seconds off - you need to replace the lamp cover correctly.
if the status light is flashing .5 seconds on and .5 seconds off in 2 - 6 cycles the error is: 2 cycles - the projector is overheated. Move the projector to a cooler location, or/and remove dust in the light path. 3 cycles - the power unit is not working correctly. 4 cycles - the fans are not working correctly 5 cycles - lamp fails to light. Wait a full minute and then turn on again.
Posted on May 13, 2009
SOURCE: I have a NEC VT470
steady orange means projector in standby mode
red light 6 times is a lamp error.
either the lamp is old and wont start up or the ballast power pcb is not working.
can you hear the sparking of the high voltage trying to strike the lamp.
if you can then the lamp may be dodgy.
can you borrow one to test it out
Posted on Mar 03, 2011
Check the screws are all screws properly fitted.Also check if you have re -fitted the lamp cover properly and fitted the screws properly/.If the lamp cover is not secured properly then new lamp will not get detected.
After the lamp is replaced.You need to reset the lamp hours.
select the menu then ---reset then--- clear lamp hours ---- to reset lamp usage hours.
The power light is orange.This means that projector is cooling down.-----------------
The status light is blinking red.This means that there are few possibilities.How many times the light is blinking count that.-------
1) If status light is just blinking 1 time.This means that lamp cover is not properly closed or the lamp housing is not properly fixed or the lamp housing is got shorted.the new lamp has to be placed properly,other wise it get burned in few minutes.Check the lamp placement and lamp cover fitting.If any thing is not properly seated then the status light blinks only one time.-----
2) If the status light blinks 2 times then its temperature error,the projector needs to be placed in cooling area like in the ac room or near to cool place like near the open window.Or you can externally place the fan to the back of projector.This cools the internal overheated temperature.This has to be done if there are 2 blinks on status indicator light.
3) If the status indicator light blinks 4 times then its internal fan error.The fan is not working.There is a fan in the projector.This fan cools the lamp assembly and controls the temperature.If this fan stops running then lamp gets over heated and temperature increases and status light will give indication by 4 blinks.Many a times fan gets obstructed by dirt collected inside or the ventilations in the projector gets blocked.Check the ventilations too.----------
4) If the status indicator light blinks 6 times then this is indication of lamp error.Turn the projector off,remove the lamp and reconnect it properly then turn it on again.
If the lamp indicator light is blinking or steady red,then this is indication of lamp replacement.----------
But as you mentioned that you replace the lamp so lamp is new.In some cases new lamp comes faulty.Get it replaced.But if lamp is ok then check the fan, the ventilations,the placement of lamp.Place the lamp to cool place.Check the lamp and lamp cover fittings. Every thing should be proper.But if all things checked out ok then yes your replacement lamp is faulty.You will have to get it replaced.Always buy original lamp,in case if you have ordered compatible lamp,then in some cases compatible lamp will not support your projector.The original always works.
If you require user manual for your nec projector then click the link below:---
----------- the troubleshooting guide is mentioned on page number 55.------------
This should help.thanks.Helpmech.
Posted on Mar 05, 2011
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