We have replaced the lamp in the tv but the warning light will not go out.
zenith has advised us that a repair person has to use a remote unit to reset the clock. if the clock is not reset, the tv will stop working in approximately 30 -60 days.
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There are several models on several generations of Zenith manufactured LCD projection tv's. Without knowing the exact model of yours i can't be sure but in most of them the Lamp life counter is reseted this way: with the tv in stand-by, you press the "?" key on the remote then immediately you press 9,8,7,6 and then the OK. If the procedure was correct the 3 lights on the front of the tv will blink to signal the end of the reset procedure. In others , hold down the Mute button on remote and Enter on TV at the same time for a few seconds, you should get a screen prompt asking if you want to reset the timer for the lamp.
you might have to reset the lamp counter in order to get the indicator light to turn off, there are several websites than describe the procedure, the one i'm looking at is fixyourdlp.com/2007/11/29/reset-your-zenth-or-lg-dlp-tv-lamp-counter/good luck!
More then likely your lamp is faulty, you can replace this lamp urself, but on zenith models the lamp comes as a bulb only, you will have to change the lamp and use your original housing. Also lamp timer will have to be reset. The only reason you might need a repair man is to go into factory mode and reset lamp timer. But if you are mechnically incline you can swap the lamps yourself..
I just found the solution on another model of Zenith TV. Hold the enter button down on the TV and the MUTE button on the remote. In approx. 5-7 seconds a screen will pop up asking if you want to reset the lamp timer. Hit the bullseye button in the middle of the arrows and it will reset. Worked perfectly.
there are 2 clocks 1 for lamp and 1 for total, the total you cant change. dark picture, make sure your got same wattage lamp for replacement, I find original Philips lamps the best. if it continues follow manufacture instructions on cleaning mirror and lens.
When the lamp is replaced the lamp timer must be reset. The timer is set for just so many hours and then the warning lamp is illuminated. The only way to reset the lamp that I am aware of is with a zenith programmer remote. Perhaps you can find a local lg/zen service center to allow you to use a programmer and instruct you on resetting the timer.
Press 'Enter' on the TV then press 'Mute' on the remote while holding 'Enter' down. A menu will pop up on the screen, allowing you to reset the light. It's also worth noting that you can get to the service menu by pressing 'Menu' on the remote and TV at the same time. There is an option for checking the number of hours on the lamp.