I have an AM100i with a RJ2 controller that was pulled out of an old service area. When it boots up it gives a SRVO-044 HVAL (G:1 A: 4,5,6). When I measure my line voltage is on the high side at 290 but I can run other AM100i with RJ2s & RJ3s on the same voltage. The voltage coming out of my transformer into the contactor is 208 and the contactor is not pulling in to give high voltage to the servo amp. I would believe that the servo amp may be bad but I cant justify $12000/4 wks on a new one. Is there any circuit boards that I could possibly change out to get this back running?
Posts by nlyons
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My manual does not show the back lash measurements. We switched out the J3 Arm Assembly with a spare robot and still the same issue, so that ruled out the RV Reducer. We tried a different motor as well and still the Master Position will not hold consistent. I have Single Axis and Zero Master the robot numerous times and yet the zero will not hold. I am not getting any other errors for a pulse coder mismatch.
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I have a maintenance manual to replace the RV reducer. Looks like this may be a press fit, is that correct? If so, what is the best way to remove the old RV Reducer? As the manual just states to remove it but does not state the best practice of removal.
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We changed out motor for Axis 3 on a AM120i/RJ2, did a Single Axis Master for Axis 3. Once I was done, we ran through the part program we were running to ensure all positions were good for production. That is when we found that the Axis 3 was off. Brought the robot back to home and checked Axis 3 Zero, numerous times, and found it would either be off in the + or - direction. Checked the gear on the motor and it is secured and when the motor is mounted we cannot feel any back lash on the motor telling us that the gear assembly may be bad. Any other suggestions would be helpful.