Case No. 05 · servo drive
Fault on a Siemens SINAMICS servo drive
Diagnostics of a servo drive after water entered the motor and temporary line start without the critical axis.
Task
The servo motor was filled with water, causing the integrated encoder to fail. The Siemens SINAMICS drive went into fault and one machine axis stopped working.
Technical data
- Siemens SINAMICS
- Siemens servo motor
- Encoder
- Remote-Diagnostics
- On-site service
- Temporary exclusion of the axis
- A new motor was ordered
What was implemented
- Preparation of step-by-step instructions for remote diagnostics
- Checking cables, measured values and drive status
- On-site service after confirmation of a hardware fault
- Complete diagnostics of the control system and servo drive
- Confirmation of servo motor damage
- Temporary removal of the axis without stopping the entire line
Result
- The fault was clearly located
- The line was able to continue production without long downtime
- A new motor was ordered
- After delivery, installation, SINAMICS parameterization and commissioning of the axis will be carried out