ABB OmniCore C90XT - Page 409

SignificanceDescription
ACOK LED can be used to identify the
following status:
• No color: AC OK signal is de-active
or logic power failure.
• Green, solid: AC OK signal is act-
ive and logic power available.
ACOK LED (green)AC
Internal power input LED can be used to
identify the following status:
• No color: Internal power input
voltage is not in normal range.
• Green, solid: Internal power input
voltage is in normal range.
Internal power (24 V power supply) input
LED (green)
PS
Main computer power output LED can be
used to identify the following status:
• No color: Main computer power
output voltage is not in normal
range.
• Green, solid: Main computer power
output voltage is in normal range.
Main computer power output LED (green)PC
FlexPendant power output LED can be
used to identify the following status:
• No color: FlexPendant power out-
put voltage is not in normal range.
• Green, solid: FlexPendant power
output voltage is in normal range.
FlexPendant power output LED (green)HMI
External power input LED can be used to
identify the following status:
• No color: External power input
voltage is not in normal range.
• Green, solid: External power input
voltage is in normal range.
External power input LED (green)EP
Required test equipment
Equipment needed for troubleshooting.
NoteEquipment
Multimeter
Insulating gloves
3HAC065464-009Circuit diagram - OmniCore C90XT
Preparations
Action
Check the FlexPendant for errors and warnings.1
Power the controller off. Wait one minute, power the controller on.2
Make sure that the control system power supply is in run-time mode.3
Wait 30-60 seconds after power-on.
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Product manual - OmniCore C90XT 409
3HAC073706-001 Revision: D
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7 Troubleshooting
7.3.12 Troubleshooting the robot signal exchange proxy
Continued