Detailed working procedure
Note
Action
•
If the cable is damaged, re-
place to a new cable and go
to step
•
If the cable is not connected,
repair the connection and
go to step
.
•
If the cable is ok, go to the
next step.
Check that the floor cable is connected from the
manipulator to the motor connector X1.
Visually inspect the cable for damage or extensive
bending marks.
Tip
For more details, see
Circuit diagram - OmniCore
C90XT
.
1
For more details about the LEDs,
see
Troubleshooting the robot sig-
nal exchange proxy on page 414
•
If it is not green, see
Troubleshooting the power
supply on page 407
Look at the LED PS on the front of the robot signal
exchange proxy. LED PS should be solid green.
2
•
If LED MS is not green, see
Troubleshooting the robot
signal exchange proxy on
page 414
.
•
If LED PC or LED HMI are
not green, see
Troubleshooting the power
supply on page 407
•
If the power supply is ok,
see
•
If the power unit is ok, check
that the power inlet is con-
nected and the power inlet
switch is turned on.
•
If the LED PC is green, but
LED PC_PWR on the main
computer is not green, see
Troubleshooting the main
computer on page 404
•
If the LED HMI is green, but
the FlexPendant is not
starting, see
ing the FlexPendant on
page 385
.
Look at the LED MS, LED PC and LED HMI. All
LEDs should be solid green.
3
Use a multimeter and insulating
gloves.
•
If there is no power, repair
the connection and go to
step
.
•
If it is ok, go to the next
step.
Measure the power on K2.X7.
Tip
For more details, see
Circuit diagram - OmniCore
C90XT
.
4
•
If it is not, repair the connec-
tion and go to step
.
•
If it is ok, go to the next
step.
Check that the connection from the robot signal
exchange proxy to the motor connector is ok:
•
K2.X7 - X1.
5
•
If it is not, repair the connec-
tion and go to step
.
•
If it is ok, go to the next
step.
Check that the connection from main computer
to the robot signal exchange proxy is ok:
•
K2.X6 - A1.X2
6
Continues on next page
Product manual - OmniCore C90XT
373
3HAC073706-001 Revision: E
© Copyright 2020-2021 ABB. All rights reserved.
7 Troubleshooting
7.2.4 Problem releasing the robot brakes
Continued
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