DMG MORI CTX/DMU Error Code 1103

DMG MORI CNC Major Machine Alarm

Model: CTX/DMU | Code: 1103

Applicable Systems
CTX DMU Milltap NMV CMX

Symptoms

The B axis (rotary) has exceeded the travel limit. Alarm 1103 is displayed on the DMG MORI control.

Possible Causes

  • Machine tool builder-specific fault
  • Safety interlock or sensor fault
  • Drive or servo system fault
  • Program or parameter error

Troubleshooting Steps

  1. Step 1: Read the alarm message on the DMG MORI HMI for alarm 1103
    Full alarm description displayed
  2. Step 2: Check the machine tool builder's alarm list for specific cause and remedy
    Alarm cause and corrective action identified
  3. Step 3: Investigate the affected machine subsystem (spindle, axis, ATC, safety, etc.)
    Root cause identified through systematic diagnosis
  4. Step 4: Correct the fault and acknowledge the alarm with RESET
    Alarm clears after fault correction

How to Reset

Correct the fault and press RESET on the HMI. Refer to the DMG MORI machine-specific operating manual for detailed troubleshooting procedures.

Frequently Asked Questions

  • Q: What does DMG MORI alarm 1103 mean?

    B Axis Overtravel: The B axis (rotary) has exceeded the travel limit.

  • Q: Where can I find DMG MORI alarm code documentation?

    Refer to the DMG MORI operating manual for your specific machine model (CTX, DMU, Milltap, CMX, or NMV series). The alarm list is in the troubleshooting section of the manual.

Related DMG MORI Fault Codes

Source: DMG MORI Operating Manual, DMG MORI AG

Category: CNC