User guide
1–6 System Features
Publication 6181-UM001D-EN-P
The following tables show the LED indicators on the RAC6181
Computer. Standard units have symbol indicator labels. Units with the
optional stainless steel bezel have no labels.
Table B
LED Indicators (Display Versions Only)
Indicator Position Color Indicates
Left Red
Diagnostics. Indicates that one of the
following conditions exists:
• Overtemperature. Temperature inside
the RAC6181 Computer enclosure is
above defined threshold.
• Fan Sensor. System fan not
operating within defined thresholds.
• Voltage. Voltages not within
specification.
Refer to Chapter 11, System
Troubleshooting, for information on
resolving diagnostic conditions.
Center Green Hard Drive Access
Right Green Power On
Table C
LED Indicators (Keypad Display Versions Only)
Indicator Position Color Indicates
Right Red
Diagnostics. Indicates that one of the
following conditions exists:
• Overtemperature. Temperature inside
the RAC6181 Computer enclosure is
above defined threshold.
• Fan Sensor. System fan not
operating within defined thresholds.
• Voltage. Voltages not within
specification.
Refer to Chapter 11, System
Troubleshooting, for information on
resolving diagnostic conditions.
Center Green Numlock key activated
Left Green Power On
LED Indicators