78 Reference Guide
Troubleshooting
Interruption problems
If the projector suddenly shuts down and the temperature light turns on:
❏ If the temperature light is blinking, the fan is not working. Allow
the projector to cool for several minutes.
❏ If the temperature light is steady, the projector has overheated.
Allow it to cool for several minutes.
❏ If airflow is obstructed, remove the obstruction.
❏ If possible, remove any sources of excess heat in the room.
❏ If the condition occurs after restarting the projector, contact HP
to have the projector serviced or repaired.
If the lamp shuts off during a presentation:
❏ A minor power surge might cause the lamp to shut off. Wait a few
minutes, then power on the projector.
❏ The lamp module might have burned out. Replace the lamp
module.
If the lamp burns out or makes a popping sound:
❏ When the lamp reaches its end of life, it might burn out and make
a popping sound. If this happens, the projector will not turn back
on until the lamp module has been replaced.
❏ If the lamp breaks, contact HP about repairs that might be
required.
