Maintenance and Troubleshooting
5.2
Troubleshooting Tips
Table
Table 5-1. Troubleshooting Chart
Symptom | Possible Cause(s) | Solution |
|
|
|
The projector does not turn | • The | • Ensure that the |
on. | in or the AC outlet is not | plugged in and that the AC |
| active. | outlet is active. |
| • Lamp cover is not securely | • Securely attach the lamp |
| attached. | cover. |
|
|
|
The projector does not turn back on after it was powered off.
The remote control does not work correctly.
The projector is on and OSD menus appear, but there is no video image
• The projector will not turn | • Wait until the | ||
| on for two minutes after |
| completes its |
|
| (POWER LED lights solid | |
| lamp. |
| green). |
• The batteries have run out. | • | Replace the batteries. | |
• | Incorrect source selection. | • Select the correct source. | |
• Source component is not | • Turn on the source. | ||
| turned on. |
|
|
• | Source component is | • | Check cable connection |
| connected incorrectly or |
| from source component to |
| not at all. |
| projector. |
A projected image from a | • DVD player is connected | • Turn off progressive scan |
DVD is split or otherwise | to the Component input | on the DVD player. |
scrambled. | and set to progressive |
|
| scan mode. |
|
|
|
|
Image is blurred. | • The lens is not correctly | • Adjust the focus. |
| focused. |
|
|
|
|
Image geometry is incorrect. | • Incorrect aspect ratio | • Select the aspect ratio that |
| selection. | best matches the source |
|
| image and screen size |
|
| (refer to Table |
|
|
|
Images from an HDMI source do not display.
Image is too bright and/or lacks definition in the bright areas of the image.
• The resolution and | • Select a compatible |
frequency of the video | resolution and vertical |
card in the computer are | frequency (refer to |
not compatible with the | Supported Timings on |
page 93). | |
• HDMI cable from source to | • Try a |
shorter HDMI cable. | |
or too long. |
|
• Contrast is set too high. | • Lower the contrast setting. |
Note: You can obtain more detailed information about the cause of the error condition using
72 | Runco |