ABB IRC5P, Руководство по эксплуатации продукта, Страница: 196 / 220

8 Trouble Shooting
8.4 Trouble Shooting Instructions per Unit
196 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
8.4.5 Intermittent Errors
Description
During operation, errors and malfunctions may occur, in a seemingly random way.
Symptoms
Operation is interrupted, and occasionally, event log messages are displayed, that
sometimes do not seem to be related to any actual system malfunction. This sort of
problem sometimes affects the Emergency stop or Enable chains respectively, and
may at times be very hard to pinpoint.
Probable Causes
Such errors may occur anywhere in the robot system and may be due to:
• External interference.
• Internal interference.
• Loose connections or incorrectly connected cable screen, shielding and
grounding connections.
• Thermal phenomena, e.g. major temperature changes within the workshop area.
Recommended Actions
Step Action Comment
1 Check all the cabling, especially the cables in
the Emergency stop and Enable chains. Make
sure all connectors are connected securely.
2 Check that grounding and shielding are
properly done.
3 Check if any LED indicator may give some clue
to the problem. The significance of all LED indicators are
specified under
’LED Indicator Panel’ on
page 197 and under the different boards
and units in ‘Unit Description, IRC5P’..
4 Check the messages in the event log.
Sometimes specific error combinations are
intermittent. The event log messages may be viewed
on the pendant, on RobView 5 or on
RobotStudio.
5 Check the robot’s behavior, etc., each time that
this type of error occurs. If possible, keep track of the
malfunctions in a log plus any
circumstantial events (Operator actions,
PLC commands etc.) that may have
anything to do with this behavior.
6 Check whether any condition in the robot
working environment also changes periodically,
e.g, interference from any electric equipment
only operating periodically.
7 Investigate whether the environmental
conditions (such as ambient temperature,
humidity, etc.) has any influence on the
malfunction. If possible, keep track of the
malfunctions in a log or similar.