Optoma EX550 - Page 34

30
Operation Function Troubleshooting
Remote Control
Failure
Replace
Battery
Replace
Remote Control
Replace
IR
Replace
Mainboard
OK
OK
OK
NG
NG
NG
NG
Check
Mainboard
Check
Remote Control
Check
Battery Level
Check
IR
Button Failure
Replace button
Replace
Mainboard
NG
NG
OK
Check
Mainboard
Check
button