Optoma EX536 - Appendix; Troubleshooting

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Appendix
Troubleshooting Solution
Power on failure – Plug the power cord of your projector in an AC socket.
– Make sure the POWER light indicator turns red.
– Restart your projector until the POWER light indicator turns red. It
indicates your projector is ready for power on again.
– Check the lamp.
– Disable the Key Lock function of your projector.
Logo screen display
failure
– Make sure the Off and Countdown Off is selected in the Display
function.
The Logo screen differs
from the standard
settings.
– Make sure you did not select User or Off in the Logo Screen.
Input signal switch (or do
not switch) automatically.
– Make sure you have correctly set up the Input Search function.
Press INPUT button
during power on and
a non-input mode icon
displays.
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A non-input or lamp mode
icon displays.
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Image looks fuzzy – Adjust focus of your projector.
– Provide proper projection distance.
– The projection lens requires cleaning.
– Moving your projector from a colder environment to a hotter one
may result in condensing on the lens. If this is the case, wait
until the condensing water evaporated before powering on your
projector.
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Image turns upside down
– Check the Ceiling and Rear settings.
– Check the Ceiling settings.
Image looks dim – Check for contrast and brightness settings.
– Check for correct image mode settings
– Check for lamp brightness settings.
– Check for lamp replacement alert. The lamp replacement alert
suggests the lamp is reaching the end of its life cycle.
Please replace it with a new one of the same model immediately.
Troubleshooting
Check the following before calling your dealer or service center: