Service manual

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ViewSonic Corporation Confidential - Do Not Copy PRO8100-1
5. Troubleshooting Flow Chart
This chapter provides technicians with electronic background how to maintain the product.
Moreover, you can get the appropriate operation to solve some complicated problems of
component repairing and professional problems.
Troubleshooting
Warning
 Do not directly look into the lens to avoid eyesight damages.
 The projector is equipped with ventilation holes (intake) and ventilation holes (exhaust). Do
not block or place anything near these slots, or internal heat build-up may occur, causing
picture degradation or damage to the projector.
Confirm Software and hardware
(1) Confirm FW version and lamp using hours
(2) Confirm LED indicator
Panel Hardware Controls
Power LED Status LED Indicates
Blinking in Green Off Standby mode
Green Green Warming up
Green Off Projector ON.
Green Blinking in Green Cooling down
Orange Green
In-proper shutdown due
to power cut off.
Orange Off
A certain error has been
detected.
Orange Red Over temp.
Orange Blinking in Red Lamp error.
Orange Blinking in Orange Fan error.
Green Blinking in Orange
It is time to clean the Air
filter.
Panel LED
Green Blinking in Red Projector overcooled
(3) Confirm cable connection well.