3. Troubleshooting
If trouble occurs in the connection with the robot controller while starting up the
3.1Robot controller front panel LED confirmation
[Confirmation item 1]
<Confirmation details>
• The “PWR” LED is OFF.
<Cause>
• Power is not being supplied to the robot controller.
<Countermeasures>
•Measure the voltage at the AC power input terminal of the power connector with a multimeter and check that the rated voltage is being supplied.
*Refer to the robot controller owner’s manual for the rated voltage for the robot con- troller.
[Confirmation item 2]
<Confirmation details>
• The “ERR” LED is ON.
<Cause>
•The robot controller is in emergency stop.
•A major error has occurred in the robot controller.
<Countermeasures>
•Confirm the error message displayed on the programming unit.
•Take measures by following the troubleshooting section in the robot controller in- struction manual.
* Refer to the robot controller instruction manual for details on the errors.
4
Troubleshooting