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Siemens SINUMERIK Controller
Communication · Intermediate · 30-120 minutes
Siemens 840D 100917 - Remote diagnostics: Error 07 -socket(device/function):#
Alarm 100917 indicates a socket communication error in the remote diagnostics function of the SINUMERIK 840D system. This typically occurs when the control cannot establish or maintain a network socket connection for remote service functions, often due to network configuration issues, firewall blocking, or TCP/IP stack problems in the NCU.
100917
Siemens 840D 100917 - Remote diagnostics: Error 07 -socket(device/function):#
Remote diagnostics: Error 07 -socket(device/function):#
Siemens SINUMERIK alarm 100917: Remote diagnostics: Error 07 -socket(device/function):#. This alarm indicates an error condition in the NC program or control configuration that must be resolved before the operation can continue.
Root Cause Summary
Alarm 100917 indicates a socket communication error in the remote diagnostics function of the SINUMERIK 840D system. This typically occurs when the control cannot establish or maintain a network socket connection for remote service functions, often due to network configuration issues, firewall blocking, or TCP/IP stack problems in the NCU.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Verify physical Ethernet cable connection between NCU and network. Check link LEDs on network port are illuminated and not flashing error patterns.
- 2
Access HMI Service screen and verify IP address, subnet mask, and gateway settings match your network infrastructure. Document current settings before changes.
Incorrect IP changes can cause loss of HMI communication requiring local access to restore
- 3
From a PC on the same network, ping the NCU IP address to verify basic connectivity. Check for packet loss or timeout errors.
- 4
Check DHCP vs static IP configuration. If DHCP is enabled but server unavailable, switch to static IP addressing in Settings > Commissioning > Network configuration.
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Always verify with your machine manual or a certified technician before performing service procedures.