InFocus SP4800 User Manual page 26

Problem
lamp won't turn on, LED blinking red
LED
"Change lamp" message appears at startup or lamp
won't turn on and LED blinking red
LED
Solution
make sure vents aren't blocked, turn off the
projector and allow it to cool for a minute
if lamp hours up to 4,000, lamp must be
replaced (see page 37)
check lamp hours
Main>About
replace lamp
25
Result
lamp turns on
lamp turns on