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SRVO-062 error code. What does it mean and how do I fix it?

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Johnathan Rankin - Automated Systems Specialist
Nidec Minster Corporation
johnathan [dot] rankin [at] minster.com
(419) 628-2331

Hello, Just as a future recommendation, please include robot brand, model and controller version so we can help you better. I am assuming that you have a Fanuc robot. Fanuc robots have a battery backup in the arm that saves axis zero position data. When this battery voltage gets low, the system sets this alarm to warn you that the battery needs changed. If the battery goes dead and you shut off the robot, all position data will be lost and you will have to re-master the robot. There is a perfect description of this in the Fanuc manual and you should follow that procedure. In general, it goes as follows. 1) DO NOT TURN OFF THE ROBOT CONTROLLER!!! 2) Replace the batteries (see manual for location and battery type) 3) Reset the fault in the master_cal screen. I may have missed a step or two but in general that's the process. Contact me directly if you have other issues.

Troy Denning - Owner
Design for Making
td [at] designformaking [dot] com
208-589-4615

The srvo-062 error code is the pulse coder alarm. it means that the motor encoder has lost power and and needs to be reset. This can happen for a variety of reasons. It could be that the batteries in the base of the robot have died and need to be replaced, a cable has become disconnected or cut, etc. The error will also have a (grp XX axis XX) to specify which motor has lost the counts. If its all of the motors then the batteries have probably gone bad. if its just one motor then it might have another issue. the procedure for resetting the alarm varies a little depending on which model of controller you are using, and there are manuals and videos on how to reset the alarm but the basic steps for an r30ib controller is to go menu-0 for next-mastercal. then press f3 for res_pca for reset pulsecoder alarm. You should then master/calibrate it again. I can guide you through it if you want to contact me. 208-589-4615.


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