Optoma EX536 User Manual page 84

Maintenance and cleaning
Note:
Do not replace the lamp after it went dark as it may be broken. Always assume the
lamp of a ceiling mount your projector is broken when replacing it. Stand beside the
lamp cover instead of below it. Remove the lamp cover gently. Small piece of glass
debris may fall off when opening the lamp cover. Consult with a doctor immediately if
there is any glass debris fell in your eyes or mouth.
Note:
Let your projector cool for at least 45 minutes before opening the lamp cover, as
temperature within your projector is high.
Note:
Replace the lamp with a new one of the same model just in case. Do not drop or
touch the lamp! It may break and lead to personal injuries.
Follow steps below to replace the lamp:
1. Power off your projector and unplug the AC
power cord. Let it cool down for at least 45
minutes.
2. Open the lamp cover after removing screws
holding the cover.
3.
the lamp by holding its handle.
4. Replace with a new lamp and tighten all
4 screws. Make sure the lamp has been
installed correctly. Close the lamp cover
and tighten the screw.
5. Connect your projector to an AC power
source and power it on.
Your projector employs high voltage lamp, which requires careful and correct operation.
Fail to do so may lead to accidents, personal injuries, or fire.
Life cycle of lamp varies with environment it is in service. Life cycle of lamp varies. That is,
some lamps may last longer than their counterparts.
If your projector prompts you to replace lamp (by showing a lamp replacing icon) then
replace it with a new one after powering it off and it is fully cooled down. (Please replace
lamp by strictly following steps given in this manual.)
If you keep on using the lamp after being prompted to replace it then you are exposed to
greater risks of lamp explosion.
Lamp may explode due to external impact and shock. Risks of explosion vary with projector
and use environment and status of the lamp.
In case of lamp explosion, take the following safety measures:
Disconnect your projector from power source immediately in case of lamp explosion. Call
authorized service center to inspect your projector and replace lamp. Make a thorough
inspection to ensure every piece of debris after explosion has been removed. Remove every
piece of debris after explosion. No one else may inspect the internal of your projector except
those authorized and well trained technician who also are familiar with its maintenance. Or we
shall not be held liable for the consequences.
Precautions on lamp operation
84
Handle
Screw
Lamp cover
Screw