RC7 Encoder Counter Error

Modified on Mon, 08 Jan 2024 at 10:56 AM


Applicable Errors: 

6441 - J1 encoder counter error 

6442 - J2 encoder counter error  

6443 - J3 encoder counter error 

6444 - J4 encoder counter error 

6445 - J5 encoder counter error 

6446 - J6 encoder counter error 

6447 - J7 encoder counter error 

6448 - J8 encoder counter error  


Error Description: 

Failed to count the motor rpm correctly due to encoder failure.  


Possible Remedy:  

If liquid is inside the motor encoder, the motor must be replaced. (oil, cutting fluid, water, etc.) 

If noise is affecting the encoder, reduce or remove the noise. (welder, high voltage lines, etc.) 

Next Steps:

  • Eliminate noise or replace the damaged motor. 
  • For repair options in the Americas please contact support@densorobotics.com 
  • For repair options outside of the Americas, please contact your local Denso Service Center.  

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