This document is a user manual for the diagnosis of SINUMERIK 802D control system, which introduces the alarm information and its solutions of the control system.
This manual provides operators of the SINUMERIK 802D control system with guidance on handling special alarm conditions, understanding system responses, and continuing work safely. It includes detailed alarm listings for NC, Profibus, cycle, ISO, and PLC sections, as well as instructions for clearing and diagnosing faults.
The document also contains contact information for Siemens technical support in Germany and China, a glossary of abbreviations, and reference tables for alarm numbers and their meanings, helping users quickly identify and resolve issues during machine operation. This manual is written in Chinese.
The manual advises carefully checking the fault condition, clearing the alarm cause, and understanding it before proceeding.
If the PLC does not periodically send a life signal, an alarm is raised that prohibits NC start; the alarm must be cleared before operation can continue.
It indicates a configuration error with specific parameters; the user should check the SDB1000 settings and correct any overlapping or missing client slots.