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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 104116 - PA: JOG feed unit not G94 or G95
Alarm 104116 occurs when the control detects that the active feedrate mode for JOG operations is neither G94 (feed per minute) nor G95 (feed per revolution). This typically happens when G93 (inverse time feed) or another incompatible feedrate mode is active, which is not supported for manual jogging operations.
104116
Siemens 840D 104116 - PA: JOG feed unit not G94 or G95
PA: JOG feed unit not G94 or G95
Siemens SINUMERIK operator message 104116: PA: JOG feed unit not G94 or G95. This is an informational message from the SINUMERIK control indicating a system status or operation result that may require operator action.
Root Cause Summary
Alarm 104116 occurs when the control detects that the active feedrate mode for JOG operations is neither G94 (feed per minute) nor G95 (feed per revolution). This typically happens when G93 (inverse time feed) or another incompatible feedrate mode is active, which is not supported for manual jogging operations.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Press the AUTO mode softkey and check the current modal G-code status display to verify which feedrate mode is active.
- 2
In MDI mode, enter and execute 'G94' to switch to feed per minute mode, which is the standard mode for jogging.
- 3
Verify the change by returning to JOG mode and attempting axis movement.
- 4
If the issue persists, check the part program or initialization files for G93 commands that may be reactivating during mode changes.
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