Table of contents
7Overview of this manual ...................................................................................................................
111 Safety
111.1 Safety signals in the manual ................................................................................
131.2 Safety symbols on product labels .........................................................................
191.3 Safety symbols on controller labels ......................................................................
231.4 Safety during troubleshooting ..............................................................................
241.5 Applicable standards .........................................................................................
261.6 Safety tools ......................................................................................................
271.7 Safe troubleshooting ..........................................................................................
271.7.1 Robot without axes' holding brakes are potentially lethal ................................
281.7.2 Live voltage inside Drive Module ................................................................
301.7.3 Hot parts may cause burns .......................................................................
312 Introduction to troubleshooting
312.1 Overview of troubleshooting ................................................................................
332.2 Standard toolkit ................................................................................................
342.3 Tips and tricks while troubleshooting ....................................................................
342.3.1 Troubleshooting strategies ........................................................................
362.3.2 Work systematically .................................................................................
372.3.3 Keeping track of history ............................................................................
382.4 Filing an error report ..........................................................................................
413 Troubleshooting by fault symptoms
413.1 Start-up failures ................................................................................................
433.2 Controller not responding ...................................................................................
443.3 Low controller performance .................................................................................
463.4 All LEDs are off at controller ................................................................................
483.5 No voltage in service outlet .................................................................................
503.6 Problem starting the FlexPendant .........................................................................
513.7 Problem connecting FlexPendant to the controller ...................................................
523.8 Erratic event messages on FlexPendant ................................................................
533.9 Problem jogging the robot ...................................................................................
543.10 Reflashing firmware failure ..................................................................................
553.11 Inconsistent path accuracy .................................................................................
563.12 Mechanical noise or dissonance ..........................................................................
583.13 Manipulator crashes on power down .....................................................................
593.14 Problem releasing Robot brakes ..........................................................................
613.15 Intermittent errors .............................................................................................
623.16 Force starting of Boot Application ........................................................................
634 Troubleshooting by unit
634.1 Troubleshooting LEDs in the controller ..................................................................
654.2 Troubleshooting the FlexPendant .........................................................................
664.3 Troubleshooting communications .........................................................................
674.4 Troubleshooting fieldbuses and I/O units ...............................................................
684.5 Troubleshooting the computer unit .......................................................................
704.6 Troubleshooting the panel board ..........................................................................
724.7 Troubleshooting the drive system .........................................................................
744.8 Troubleshooting the axis computer .......................................................................
764.9 Troubleshooting the system power supply .............................................................
814.10 Troubleshooting the power distribution board .........................................................
864.11 Troubleshooting the contactor interface board ........................................................
884.12 Troubleshooting the customer I/O power supply .....................................................
Operating manual - Troubleshooting IRC5 5
3HAC020738-001 Revision: AA
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Table of contents