Troubleshooting flowchart
Start-up failure
Check LED PS
Green
Red or flashing
Not lit
Not lit
Check LED AC
Green
Check LEDs:
MS, PC, HMI
Green
Problem solved
Check LEDs:
PC PWR, PC HDD,
PC STAT
Lit
Troubleshoot power
supply T2
Troubleshoot power
unit A1
Not lit
Troubleshoot robot
signal exchange
proxy K2
Troubleshoot main
computer
xx1800001829
Detailed working procedure
Note
Action
LED PS should be green.
•
If not, see
.
•
If the power supply is ok,
see
•
If the power unit is ok, check
that the power inlet is prop-
erly connected and the
power inlet switch is turned
on.
For more details about the LEDs,
see
Troubleshooting the robot sig-
nal exchange proxy on page 407
Look at the LED PS.
1
LED MS should be green.
•
If not, see
the robot signal exchange
proxy on page 407
.
Look at the LED MS.
2
Continues on next page
362
Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
7 Troubleshooting
7.2.2 Start-up failure
Continued
Summary of Contents for OmniCore C90XT
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