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Appendix B. Troubleshooting
The following table provides troubleshooting information for the projector. In some cases, more than one
possible solution is provided. Try the solutions in the order they are presented. When the problem is
solved, you can skip the additional solutions.
Common problems and solutions
These guidelines provide tips to deal with problems you may encounter while using the projector. If the
problem remains unsolved, contact your dealer for assistance. Often after time spent troubleshooting, the
problem is traced to something as simple as a loose connection. Check the following before proceeding to
the problem-specific solutions.
v Use some other electrical device to confirm that the electrical outlet is working. Ensure that:
the projector is turned on.
v
v all connections are securely attached.
v that the attached device is turned on.
v a connected PC is not in suspend mode.
v a connected notebook computer is configured for an external display. This is usually done by pressing
a Function key combination on the notebook.
Troubleshooting tips
In each problem-specific section, try the steps in the order suggested. This may help you to solve the
problem more quickly. Try to pinpoint the problem and avoid replacing non-defective parts. For example,
if you replace batteries and the problem still exists, put the original batteries back and go to the next step.
Keep a record of the steps you take when troubleshooting: The information may be useful when calling
for technical support or for passing on to service personnel.
LED error messages
LED
Status/Number of
flashes
Ready
Flashing
1
2
Power
2
3
4
5
6
7
8
9
© Lenovo 2006. Portions © IBM Corp. 2005.
Description
Lamp not ready - do not press the power button
Fan 1 error
Fan 2 error
System task created error
System overheating
System interface error
Lamp error
Fan error (refer to Ready LED status to determine which fan)
Lamp cover open
DLP driver error
Color wheel error
B-1
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