Appendix
2
018-
11
21
5
Appendix
5.1
Health Monitoring
CPU / Display Error
Temperature Error (too Low)
Temperature Error (too High)
Indication
Problem
Solution
Home button solid white
Power button solid red
CPU (Most likely Service
Controller) damaged
Replace the CPU
If backlight still turns on:
Display frontkey controller
damaged
Replace the display unit
Indication
Problem
Solution
"Brightness -" button solid
white
Power button solid red
Temperature too low
(monitored only during
booting up)
Check if ambient temperature
surrounding the panel is lower
than the panel's allowed
operating temperature.
Indication
Problem
Solution
"Brig" button solid
white
Power button solid red
Temperature too high
(monitored only during
booting up)
Check if ambient temperature
surrounding the panel
exceeds the panel's allowed
operating temperature.
