Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-45 minutes

Alarm 14026

Siemens 14026 - Block motion synchronous action: invalid polynomial number in the

An FCTDEF command was programmed with a polynomial number that exceeds the maximum value set in MD28252 $MC_MM_NUM_FCTDEF_ELEMENTS Control reaction: Interpreter stop NC Start disable in this channel. Interface signals are set. Alarm display.

Siemens SINUMERIKProgram/G-codeIntermediate30-45 minutes

14026

Siemens 14026 - Block motion synchronous action: invalid polynomial number in the

Block motion synchronous action: invalid polynomial number in the

An FCTDEF command was programmed with a polynomial number that exceeds the maximum value set in MD28252 $MC_MM_NUM_FCTDEF_ELEMENTS Control reaction: Interpreter stop NC Start disable in this channel. Interface signals are set. Alarm display.

Safety

  • Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.

Common Causes

  • An FCTDEF command was programmed with a polynomial number that exceeds the maximum value set in MD28252 $MC_MM_NUM_FCTDEF_ELEMENTS

Troubleshooting Steps

  1. 1Modify part program.
  2. 2Clear alarm with the RESET key. Restart part program

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