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Locate the G336 command block in the part program where the alarm occurred and verify all required arguments are present (torque limit, feedrate, axis specification).

Check parameter 2850-2854 (torque control settings) to verify the maximum allowable torque percentage limit (typically 0-100% or 0-200% depending on configuration).

Verify the commanded torque value in G336 does not exceed the maximum set in parameters, and that feedrate values are within normal operating range.

Correct the G336 command with valid parameter values and test the program in single block mode.

Torque control can cause unexpected axis behavior if parameters are incorrect. Test carefully.

Check the system configuration page (Maintenance > System > Option List) to verify that the torque control function/option is present and enabled.

Verify parameter 2800#0 (torque control enable) is set to 1 to activate the torque control feature.

If the option is not present, contact your machine tool builder or Fanuc distributor about purchasing the torque control software option.

If torque control is not needed, remove or comment out all G336 commands from the part program and use conventional G01/G02/G03 moves instead.

Review the G336 command to ensure the specified axis is configured for torque control in parameters 2851-2854 (axis selection settings).

Check that no conflicting modal commands (such as rigid tapping G84, synchronous control, or position switching) are active when G336 is called.

Verify the axis servo amplifier supports torque control mode by checking parameter 2020 (servo control type) for the affected axis.

Restructure the program to cancel conflicting modes before entering torque control, or limit torque control to compatible axes only.

Mixing torque control with certain modal commands can cause unpredictable machine behavior.