700020 — Alarm 700020 (Lubricating motor overload) Diagnostic Tree

This alarm code (700020) is not found in the uploaded standard Siemens source manuals. The 70xxxx series alarms in the NC/PLC interface are typically machine builder (OEM) specific PLC alarms (a lubricating motor overload usually points to strain on the lubrication pump motor, a tripped thermal overload relay, a short circuit, or mechanical blockages). Please check the machine manufacturer's documentation or contact technical support.