ABB IRC5 Operating Manual page 69

LEDs
The illustration below shows the LEDs on the computer unit:
xx1300000857
Description
POWER
(green)
DISC-Act
(yellow)
STATUS
(red/green)
NS
(red/green)
MS
(red/green)
For information about the LEDs on the AnybusCC slave fieldbus adapter and the
PCIExpress master/slave fieldbus board, see the corresponding fieldbus manual.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
Significance
Normal startup:
• OFF, During a normal startup the LED is off until COM Express
module inside the computer unit is started.
• SOLID ON, After completion of startup LED is solid on.
Failure during startup (off between blinks). One to four short blinks, one
second off. This is repeated until power off.
• Internal fail of power, FPGA, and/or the COM Express module.
• Replace the computer unit.
Power failure during runtime (fast flashing between blinks). One to five
blinks, 20 fast flashing blinks. This is repeated until power off.
• Temporary voltage drop, cycle the power to the controller.
• Check the power supply voltage to the computer unit.
• Replace the computer unit.
(Disc activity.)
Indicates that the computer is writing to the SD-card.
Startup sequence:
1 SOLID RED, loading bootloader.
2 FLASHING RED, loading image.
3 FLASHING GREEN, loading RobotWare.
4 SOLID GREEN, system ready.
Fault indication:
• SOLID RED forever, check the SD-card.
• FLASHING RED forever, check the SD-card.
• FLASHING GREEN forever, view error messages on FlexPendant
or CONSOLE.
(Network Status)
Not used.
(Module Status)
Not used.
© Copyright 2005-2018 ABB. All rights reserved.
4 Troubleshooting by unit
4.5 Troubleshooting the computer unit
Continued
69