5.9 9 xxxx
90200, Limit Switch opened by SC
Description
The limit switch on the robot has been opened by the Safety
Controller (SC).
Consequences
The system goes to the Guard stop state.
Probable causes
The Safety Controller has opened the limit switch because of
a safety violation.
Recommended actions
Check for reason found in other event messages. Check the
cable between the contactor board and the Safety Controller.
Do a Confirm Stop by pressing the Motors ON push button or
by activating the appropriated system input.
90201, Limit Switch open
Description
The limit switch on the robot has opened.
Consequences
The system goes to the Motors OFF status.
Probable causes
The robot has been run outside the working range defined by
the limit switches fitted to the robot.
Recommended actions
Press an eventual existing external "Override Limit" button and
manually jog the robot back into the working area. Resume
operation.
90202, Emergency Stop open
Description
The emergency stop circuit has previously been broken, and
while broken, an attempt was made to operate the robot.
Consequences
The system remains in the Emergency Stop status.
Probable causes
An attempt has been made to maneuver a control, e.g. the
enabling device.
Recommended actions
To resume operation, first reset the emergency stop button
triggering the stop. Then switch the system back to state Motors
ON by pressing the Motors ON button on the control module.
90203, Enabling Device open
Description
Only one of the two enabling device chains was opened.
Consequences
The system goes to status SYS HALT.
Probable causes
The FlexPendant enabling device may be faulty or incorrectly
connected. The FlexPendant and its enabling device is
described in the Trouble Shooting Manual, IRC5.
Recommended actions
Check the FlexPendant cable and its connection. If required,
replace the faulty FlexPendant or its cable.
90204, Operation Key imbalance
Description
The system has detected an imbalance in the two parallel
MANUAL / AUTO operation key circuits.
Probable causes
The contact pair in any of the cables connected to the operation
key circuit is not working correctly.
Recommended actions
Isolate the cable connection causing the conflict. Connect the
cable in a correct way.
90205, Auto Stop open
Description
The Automatic Mode Safeguarded Stop circuit has been broken.
Consequences
The system goes to the Auto Stop status.
Probable causes
One or more of the switch connected in series with the
Automatic Mode Safeguarded Stop circuit have been opened,
which may be causes by a large number of faults. This is only
possible while in the Auto operational mode. The Automatic
Mode Safeguarded Stop circuit is described in the Trouble
Shooting Manual.
Recommended actions
Locate the switch, reset it and restart the controller. Check
cables and connections.
Continues on next page
Operating manual - Troubleshooting IRC5
405
3HAC020738-001 Revision: AA
© Copyright 2005-2018 ABB. All rights reserved.
5 Troubleshooting by event log
5.9 9 xxxx
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