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Komatsu D39 EX-21 calibration issue

r20d12 ยท 2018-02-09 12:25

Hello all! Right track got slow after the oil warmed up. Tried to calibrate it and get a error code of ( R 1-1 ) after calibration process runs for a few seconds then calibration stops. Can't find info on this anywhere. You folks got any ideas? Thanks in advance!

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