Nippon Aviotronics Multi-Function LCD Projector MP-50E - Manual (Page 57)

E-57
Troubleshooting
Page(s)
Troubleshooting
If you think a problem has occurred, check the following items before asking for a repair.
Symptom
Power is not on. E-20
The projection lamp does not light. E-54
E-54
E-56
E-52
E-54
No image is displayed. E-29
E-22, 28
E-43
E-24
E-24
The image is distorted. E-20
E-21
The image is blurred. E-30, 37
E-19
E-21
E-29
The image is flickering. E-44
The image is out of alignment. E-44
The color is out of alignment. E-44
No sound. E-39
The cabinet produces a cracking -
sound.
The TEMP LED lights up or blinks. E-52
The LAMP/COVER LED lights red. E-56
E-54
E-54
The remote controller does not E-17
work. E-9, 10
E-9, 10
E-17
The image may not be positioned E-38
correctly or the display may be E-44
compressed, when personal
computer input is selected.
To be Checked
• Verify that the power cord is connected.
• Verify that the lamp has not blown.
• Verify that the lamp unit cover is installed.
• Verify that the air filter is installed.
• Verify the internal temperature. The lamp does not light due to a
protection control if the temperature is too high.
• Verify that the lamp usage time is less than 1500 hours.
• Verify the selection of the connected input.
• Verify that the cable for the connected device is appropriately
connected.
• Verify sure that Brightness or Contrast in the Image Adjustment
menu is not set to minimum.
• Verify that the resolution on the PC is correctly set.
• Verify the functions of the PC.
• Verify that the projector is placed properly.
• Keystone compensation may be applied.
• Check the focus.
• Make sure that the projection distance is within the focusing
distance.
• Keystone compensation may be applied.
• Verify whether the lens cap is on.
• Adjust Phase in the Sync Adjustment menu.
• Check the setting of the Sync Adjustment menu.
• Adjust Phase in the Sync Adjustment menu.
• Make sure that the setting in the Volume menu is not set to
minimum.
• A sound is produced when the cabinet slightly expands or contracts
due to the changes in the room temperature. This will not affect
projector performance.
• Follow the procedures for protection against overheating.
• Make sure that the air filter is not disconnected.
• Make sure that the lamp unit cover is in place.
• Check whether the lamp usage has exceeded 1500 hours.
• Make sure that the battery is not blown or worn.
• Make sure that other light from lighting, for example, is not entering
the remote control sensor.
• Make sure that the remote control sensor of the main unit is not
obstructed.
• Make sure that the projector is not installed near inverter-driven
equipment.
• Press the RESIZE button to do automatic synchronous adjustment.
• Make adjustments on the “Synch adjustment” menu.