InFocus Work Big IN1100 Reference Manual page 21

Problem
Lamp won't turn on, Temperature light is on Make sure vents aren't blocked, turn off the projector
Temperature light
"Replace lamp" message appears at
startup, lamp won't turn on, Lamp light is
turned on
Lamp light
Solution
and allow it to cool for one minute
Lamp must be replaced (see page 34)
loosen screws
loosen screws
20
Result
Lamp turns on
Lamp turns on