SignificanceDescription
ACOK LED can be used to identify the
following status:
• No color: AC OK signal is de-act-
ive 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
3HAC074000-008Circuit diagram - OmniCore V250XT
Preparations
Action
Check the FlexPendant for errors and warnings.1
Power the controller off. Wait one minute, power the controller on.2
Wait 30-60 seconds after power-on.3
Make sure that the control system power is in run-time mode.
Continues on next page
Product manual - OmniCore V250XT 407
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
7 Troubleshooting
7.3.11 Troubleshooting the robot signal exchange proxy
Continued
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