Electrical
Troubleshooting Guide
IRB6400 M94A
Page 1 - 10
Safety
Safety Control Chain of Operation (Cont)
The status of the switches are indicated by the LEDs on the
front of the System board (DSQC 256A) in the Control Cabinet.
If any contact in the safety chain of operation is open, the robot
always reverts to the MOTORS OFF mode.
After a stop, the switch must be reset at the specific unit which
caused the stop. After reset, the robot can be started again.
The safety chains must never be bypassed, modified or
changed in any other way.
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