ABB IRC5 Operating Manual page 199

Recommended actions
Check the type of capacitor unit fitted. Replace if it is the wrong
type. If the problem persists, contact your local ABB
representative.
39415, Communication with the Drive Unit Lost
Description
Communication with drive unit number arg in drive module arg
has been lost.
Consequences
No operation will be possible until after correcting the fault. The
system goes to status SYS HALT.
Probable causes
There may be a break in the communication link cable between
the axis computer and the main drive unit, the drive module
may be incorrectly grounded or excessive noise may interfere
with the communication signals.
Recommended actions
Check the communication link cable between the axis computer
and the main drive unit is correctly connected. Check that the
module is properly grounded. Check for external
electromagnetic noise sources close to the drive module.
39416, Drive Unit Not Responding
Description
The main drive unit in drive module arg is not responding.
Consequences
No operation will be possible until after correcting the fault. The
system goes to status SYS HALT.
Probable causes
There may be a break in the communication link cable between
the axis computer and the main drive unit, or there may be a
lock-up in the software.
Recommended actions
Check the communication link cable between the axis computer
and the main drive unit is correctly connected. Restart the
controller. If the problem persists, contact your local ABB
representative.
39417, Cannot find Drive Software Version File
Description
The system cannot locate a valid drive version file on the disk.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
The file may have been erased my mistake. Without this file it
is not possible to check if the drive unit software needs
updating.
Recommended actions
Contact your local ABB representative.
39418, Unknown Drive Unit type code
Description
The type code for the drive unit arg in drive module arg is not
recognized by the system. Installed drive unit type is arg, and
the configured type is arg.
Consequences
No operation will be possible until after correcting the fault. The
system goes to status SYS HALT.
Probable causes
The connection to the drive unit may be bad or the hardware
may be faulty.
Recommended actions
Make sure the cable connections on the drive unit are correct.
Make sure the drive unit is one supported by this controller. If
the drive unit was recently replaced, make sure a unit of the
correct type code is used.
39419, Unknown Rectifier type code
Description
The type code for the rectifier unit arg in drive module arg is
not recognized by the system. Installed rectifier unit type is arg,
and the configured type is arg.
Consequences
No operation will be possible until after correcting the fault. The
system goes to status SYS HALT.
Probable causes
The connection to the drive unit may be bad or the hardware
may be faulty.
Recommended actions
Make sure the cable connections on the rectifier unit are correct.
Make sure the rectifier unit is one supported by this controller.
If the rectifier unit was recently replaced, make sure a unit of
the correct type code is used.
39420, Drive Unit built in test failure
Description
Drive unit number arg in drive module arg has detected an
internal hardware failure.
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