Troubleshooting By Fault Symptoms; Start-Up Failures - ABB IRC5 Operating Manual

3 Troubleshooting by fault symptoms

3.1 Start-up failures

Introduction
This section describes possible faults during start-up and the recommended action
for each failure.
Consequences
Problem starting the system
Symptoms and causes
The following are the possible symptoms of a start-up failure:
Recommended actions
The following are the recommended actions to be taken during a start-up failure:
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Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
• LEDs not lit on any unit.
• Earth fault protection trips.
• Unable to load the system software.
• FlexPendant not responding.
• FlexPendant starts, but does not respond to any input.
• Disk containing the system software does not start correctly.
Note
This may be due to a loss of power supply in many stages.
Action
Make sure the main power supply to the system
is present and is within the specified limits.
Make sure that the main transformer is correctly
connected to the mains voltage levels at hand.
Make sure that the main switches are switched
on.
Make sure that the power supply to the controller
is within the specified limits.
If no LEDs lit, proceed to section
off at controller on page
If the system is not responding, proceed to sec-
tion Controller not responding on page
If the FlexPendant is not responding, proceed to
section Problem starting the FlexPendant on
page 50.
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3 Troubleshooting by fault symptoms
Info/illustration
Your plant or cell documentation can
provide this information.
How to strap the mains transformer
is detailed in the product manual for
the controller.
If required, troubleshoot the power
supply units as explained in section
Troubleshooting the system power
supply on page
All LEDs are
46.
43.
3.1 Start-up failures
76.
Continues on next page
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