Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

8. TROUBLESHOOTING B–62755EN/018.4JOG OPERATIONCANNOT BE DONEPointsCauses and Remedies(1)Check whether position display is operating.(2)Check CNC status display.(3)Check internal status using Diagnostic funciton.1. Position display(relative, absolute,machine cooordinate)does not changeG0043#7(1)Check mode selection status (JOG mode is not selected).When status display shows JOG, it is normal.When status display does not show JOG, mode select signal is notselected correctly. Confirm the mode select signal using PMC’sdiagnostic function (PMCDGN).#6 #5 #4 #3 #2MD4#1MD2#0MD1↓ ↓ ↓Manual operation (JOG) mode 1 0 1G0100#7+J8(2)Feed axis and direction select signal is not input Check the signal usingPMC’s diagnostic function (PMCDGN).#6+J7#5+J6#4+J5#3+J4#2+J3#1+J2#0+J1G0102 –J8 –J7 –J6 –J5 –J4 –J3 –J2 –J1Example)When +X button is pressed on the operator’s panel, signal+J1 turns to1.This signal is effected at its rise. If axis selection signal is input beforeJOG mode is selected, axis movement does not occur. Turn the signalto off, then on.306