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DIAGNOSIS INFORMATION
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
Projector Status
LED
Meaning
Power LED
Status LED
Color
Status
Color
Status
Standby
Red
Solid
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-
The projector is powered and ready.
Lamp Standby
Green
Solid
Green
Blinking About minute.
Power On
Green
Solid
Green
Solid
The projector is powered.
Lamp failure
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-
Green
Blinking To replace lamp and reset the lamp hour.
Fan failure
Green
Blinking
Green
Solid
To check if the fan is clogged with dust or dirt and lean it.
Lamp life warning
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-
Amber
Solid
The lamp has reached its end of life and must be changed
soon. The lamp will continue to operate until it fails.
Power off
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-
Green
Flashing
The projector is shutting down. The fans motor is cooling the
lamp for shutdown. Do not unplug the power cord or turn the
power switch off before the lamp LED turns off. The fan mo
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tor will turn off when the lamp has cooled.
Over temperature
Green
Solid
Red
Solid
The projector believes the temperature is too high. The lamp
will turn off.
(3) Confirm cable connection well.
(4) Confirm Main board version
Содержание XD221U
Страница 7: ... 1 2 5 6 OPTICAL UNIT 8 11 14 9 7 10 3 4 12 13 EXPOSED VIEW Fig 1 1 DLP ASSY ...
Страница 9: ... Optical unit 2 1 3 4 5 6 7 8 Fig 1 2 ...
Страница 11: ... DISASSEMBLY 1 Unscrew the 8 screws a from the bottom cover a a ...
Страница 20: ... 17 17 Remove adjuster from the bottom cover Bottom cover Adjuster ...
Страница 21: ... 18 LABEL POSITION LAMP TYPE LABEL LAMP LABEL WARNING LABEL WARNING LABEL WARNING LABEL UL LABEL ...
Страница 22: ... 19 PACKING VGA cable Packing sheet Battery Caution sheet 1 2 3 4 5 6 7 8 9 9 Packing bag Fig 1 3 ...