Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

PLC · Intermediate · 30-120 minutes

Alarm 109003

Siemens 840D 109003 - No switchover: Switchover disable set in target PLC

Siemens SINUMERIK message 109003: No switchover: Switchover disable set in target PLC. This is an operator information message from the SINUMERIK control. Note the complete message text as it may contain important parameter values.

Siemens SINUMERIKPLCIntermediate30-120 minutes

109003

Siemens 840D 109003 - No switchover: Switchover disable set in target PLC

No switchover: Switchover disable set in target PLC

Siemens SINUMERIK message 109003: No switchover: Switchover disable set in target PLC. This is an operator information message from the SINUMERIK control. Note the complete message text as it may contain important parameter values.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Normal control operation generated this status message
  • User action or program command triggered this notification
  • System configuration or commissioning activity produced this message
  • Machine data or parameter change created this notification

Troubleshooting Steps

  1. 1Read the complete message text on the SINUMERIK screen — note any parameter values shown.
  2. 2If action is required, follow the instructions in the message.
  3. 3Acknowledge the message on the operator panel to continue operation.
  4. 4Consult the Siemens SINUMERIK alarm documentation for message 109003 if clarification is needed.
  5. 5If this message appears unexpectedly, review recent parameter or configuration changes.

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