Fanuc · R-30iB Mate + Mate Plus Robot
This alarm occurs if the voltage of the backup battery for the absolute position of the line tracking Pulsecoder is low. A low battery voltage can lead to unstable absolute position data or loss of data upon power cycle.
Click steps to track your progress.
Measure backup battery voltage at terminal B1. Expected range is 3.0-3.6VDC.
Verify battery charging circuit output voltage at terminal B2. Expected voltage should be stable.
Replace the line tracking Pulsecoder backup battery if voltage is below 3.0VDC.
Check connection integrity of battery terminals to the Pulsecoder.