Siemens Simatic S7-300 - Diagnostics and Maintenance; Diagnostics Options

CP 343-1 Lean
Equipment Manual, 01/2023, C79000−G8976−C198−09
57
Diagnostics and maintenance
7
CAUTION
Hot surfaces
Risk of burns during maintenance work on parts with a surface temperature above 70 °C
(158 °F).
• Take appropriate protective measures, for example, wear protective gloves.
• Once maintenance work is complete, restore the touch protection measures.
WARNING
Cleaning the housing
• In hazardous areas
Only clean the outer parts of the housing with a damp, but not wet, cloth.
• In non-hazardous areas
Only clean the outer parts of the housing with a dry cloth.
Do not use any liquids or solvents.
7.1 Diagnostics options
Overview of the Diagnostics options
The following diagnostics options are available:
• LEDs of the module
For information on the LED displays, refer to the section LEDs (Page 29).
• Web diagnostics
For information on Web diagnostics using HTTP, refer to the section The CP as Web server
(Page 15).