Check the installing condition to see if the air vents of the projector are not blocked.
- Has the projector been installed near an Air-Conditioning/Heating Duct or Vent?
Move the installation of the projector away from the duct or vent.
- Is the filter clean? Clean the filter periodically or replace it with a new one.
However, if the WARNING TEMP lights red (steady) then an abnormal condition has been detected....
When the projector detects an abnormal condition, it will be automatically shut down to protect the inside of the projector and the WARNING TEMP. indicator lights red. In this case, unplug the AC power cord and plug it, and then turn on the projector once again to verify operation. If the projector cannot be turned on and the WARNING TEMP indicator lights red, unplug the AC power cord and contact service.
Finally, the POWER indicator which is at the bottom right of the group of indicators would blink after the lamp has turned off but the fans would still be running during a critical cool-down period where the AC must not be disconnected until the indicator stops blinking (is steady).
If you do not have access to the manual, one can be downloaded from us.sanyo.com at this link...
http://us.sanyo.com/Projectors-Products-by-Category-Discontinued-Models/PLC-WTC500L
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