SOURCE: Sanyo PLC XU48 problem starting
Service and reinstall main PCB connectors and cables including sensors. check the lamp condition also.
Viren
SOURCE: Sanyo PLC-XF46N projector shuts down before powering up completely
The Fix Ya rep suggested that I try the "Reset" button located next to the Audio out on the side of the projector; this solution proved to be the fix I needed. I was able to get the lamps to warm up and get into the menu to cut back the bulbs/power consumption on start-up, allowing the projector to function for a problem-free 4 hour period Unfortunately, I had the same issue this morning, but the same fix worked again.
SOURCE: Sanyo PLC - Z5 Lamp Replacement Light
Just had the same problem. Based on other suggestions on here I tried resetting the overheat switch, and IT WORKED!
So, you have to pull the 6 screws (one of them is shorter than the rest, remember where it goes) that hold the top on the projector. 3 are on the back, 3 on the bottom - look for the arrows next to the screws.
Put the projector on it's feet, and pull off the top. The button wires will still be connected, so just hold onto the top and find the black circle/shaft above where the lamp is. The shaft has white paint on the top/tip of it. Push it down with a light amount of force. You should hear/feel it click.
Put top back on, put screws in, and you should be good to go.
Don't forget to reset the lamp replacement counter in the menus.
SOURCE: sanyo plc-xp46 lcd projector
In the on-screen menu...
Press MENU, go to SETTINGS ICON, Move to Lamp Reset
Also, to see lamp hours used, press and hold the UP ARROW (on the unit, not on the remote) for 30 seconds while projector is on.
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