Start-Up Failure - ABB Robotics OmniCore C90XT Product Manual

7.2.2 Start-up failure

Description
The following are possible symptoms of a start-up failure:
Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Circuit diagram - OmniCore C90XT
Preparations
1
2
Recommended working procedure
If there seems to be a power failure during start-up, use this procedure to
troubleshoot what might cause the problem.
Look at the following block diagram to understand how power is connected from
incoming and forward.
Block diagram
AC input
xx2000000443
Product manual - OmniCore C90XT
3HAC073706-001 Revision: E
1 The LEDs are not lit on some units.
2 Earth fault protection trips.
3 Miniature circuit breakers/fuses trips.
4 Unable to load the system software.
Action
Make sure that the controller is switched on.
Wait 30 s - 1 min to enable start-up sequence.
Check the FlexPendant for errors and warnings.
DANGER
Troubleshooting on the controller while powered on must be performed by personnel
trained by ABB or by ABB field engineers.
Power inlet Main switch
Q0
X0
PE
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Note
3HAC065464-009
exchange
Power
Power unit
A1 supply
X1
X1 X6 X1 T2 X2
PS
AC
X9
LED
LED
24V SYS DRV
7 Troubleshooting
7.2.2 Start-up failure
Robot
Main computer
24V PC
X1
X2
signal
A2
PC
LED
proxy
HMI
K2 24V HMI
24V HMI
connection
X13
X4
HMI
LED
MS
X4
LED
Continues on next page
FlexPendant
367