Chapter 4 Troubleshooting; Equipment Needed; Led Lighting Message - Acer PD726W Service Manual

Troubleshooting

Equipment Needed

- PC or Pattern Generator
- DVD Player (Video, S-Video, Audio)
- Quantum Data 802B or CHROMA 2327

LED Lighting Message

Message
Power Plug
Standby
Power button ON
Power button OFF:
Cooling State I
Power button OFF:
Cooling state II
Power button OFF:
Cooling completed
Fan lock error
OSD shows red
"Projector Overheated"
Lamp error
(Lamp, ballast)
Color Wheel fail
BurnIn Lamp ON
BurnIn Lamp OFF
BurnIn Random
delay time
**Power OFF:
(A) Cooling state I : Power orange LED blinking 0.5sec ON / 0.5sec OFF.
(B) Cooling state II : Power orange LED Blinking 1sec ON / 1sec OFF, But FAN ON.
(C) Cooling complete : Power orange LED Blinking 1sec ON / 1sec OFF, FAN OFF.
41
Lamp LED
Red
Flash ON to OFF 100ms
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
(Can be powered ON via Power key during this state).
(Entered StandBy Mode)
Temp LED
Red
Flash ON to OFF 100ms
OFF
OFF
OFF
OFF
OFF
0.5 sec On, 0.5 sec Off
flashing for 30sec
OFF
ON
OFF
OFF
ON
Chapter 4
Power LED orange
Flash ON to OFF 100ms
Blinking
1 sec ON / 1 sec OFF
ON
Blinking
0.5 sec ON/ 0.5 sec OFF
Blinking
1 sec ON / 1 sec OFF
Blinking
1 sec ON / 1 sec OFF
(Fan Off)
OFF
OFF
OFF
ON
Blinking
1 sec ON / 1 sec OFF
OFF
Chapter 4