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MSWU-81E 29/09/2014
69
14.Lamp and Filter Maintenance
14.6 Simple troubleshooting
The following table offers a list of common problems with projectors and how to troubleshoot. If the recommended solutions
fail to resolve your problem, contact your local dealer to arrange for servicing; do not attempt to service the projector by
yourself.
Problem Possible cause Solution
You cannot turn on the
projector
1. The projector may be unplugged
2. Check the AC POWER SWITCH on the back
of the projector and see if it is flipped to
ON.
3. The AC socket may be faulty
4. The lens cover is not replaced properly
1. Plug the projector's power cord into a wall
outlet
2. Flip the power switch to "I".
3. Make sure the AC socket is working
properly.
4. Make sure the lens cover has been
properly replaced.
You cannot turn on the
projector after turning it off
1. You will not be able to turn on the
projector within two minutes after you
have just turned it off.
This feature is designed to protect the
lamp.
1. Wait for the projector to cool down
completely before starting it up again
(the projector's STAND BY indicator will
turn blue)
You have connected the
projector to a DVD player as
the input source but the image
appears broken or split in
halves.
The DVD player is connected to the
projector through component cables (RGB-S
or RGBHV/YUV2) and you have set it to
progressive scan.
Disable the progress scanning function on
the DVD player.
The picture looks dim
1. The image brightness, contrast, color and
tint might need proper adjustment.
2. The lamp is due for replacement.
1. Adjust the image brightness, contrast,
color and tint.
2. Replace the projector lamp.
The remote control does not
operate normally
1. The battery might have run out
2. You might have inserted the batteries in
the wrong orientations
3. You may be operating the remote control
too far away from the projector's IR sensor
or exceeded the maximum angle of signal
reception ; there might be an obstacle
between the projector and the remote
control or there might be a source of
intense light
near the IR receiver.
4. Ø 3.5mm A wired remote connector
might be connected to the projector's
3.5mm port.
5. The remote control's address is not
consistent with the projector's address.
1. Replace new batteries
2. Make sure the batteries are inserted in the
right orientation.
3. Adjust the distance/angle between the
projector and the remote control and try
again; if there are obstacles between the
projector and the remote or source of
intense light near the IR sensor resolve
these situations and try again.
4. Remove the wired remote cable or
operate the projector using wired remote.
5. Press the OK button on the remote control
followed by the Address button until the
panel of the remote control flashes once
(approximately 5 seconds) and try again.
You are able to turn on the
projector and access the OSD
Menu but no picture appears.
1. The projector may not be turned on
properly or you have not selected the
correct input source.
2. You might not have connected the source
device correctly or the source might not be
connected to the projector at all.
1. Make sure the projector is turned on
properly and select the correct input
source.
2. Check the connection between the
projector and the input device.
The image is too bright or the
bright areas are blurry
The contrast might have been set too high. Lower contrast settings.
The image appears washed out
or the dark areas appear too
bright
The image brightness might have been set
too high.
Lower brightness settings.