ES523ST/EW533ST
Confidential
3-5
No
Symptom
Procedure
2
Remote
Controller/Control
Panel Failed
- Remote Controller
a. Check Battery
b. Check Remote Controller
c. Check IR Sensor Board
d. Check Main Board
- Control Panel
a. Check FPC
b. Check Keypad
c. Check Main Board
3
Function
Abnormal
- Do
"
Reset (All data)
"
of the OSD Menu
- Check Main Board
- Check DMD Board
4
Audio Abnormal
- Ensure that the signal cables and source are work as well
- Ensure that your Projector is not in “Mute” mode
- Check the interior Speakers of the projector
- Check the exterior Speaker that you are using
- Check Main Board
- Check Daughter Board
