Epson 5350 EN - Manual (Page 89)

Projector Status Lights 81
Projection Lamp Light
Temperature Light
Light status Meaning
Orange and red
flashing alternately Projection lamp needs replacing.
Steady red Projection lamp has burned out. Replace it to project images.
Flashing red Problem with projection lamp or lamp power supply.
Off Lamp is functioning normally.
Light status Meaning
Flashing orange Projector is too hot.
Steady red Projector has turned off automatically because of
overheating.
Flashing red Problem with the cooling fan or temperature sensor.
Off The projector is functioning normally.