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Diagnostics and upkeep
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.
Cleaning the housing
• In hazardous areas
• In non-hazardous areas
Do not use any liquids or solvents.
5.1
Loading firmware
Firmware update
If new firmware versions are available for the CP, you will find these on the Internet pages of
Siemens Industry Online Support:
Link: (https://support.industry.siemens.com/cs/ww/en/ps/15673/dl)
Save the firmware file to the file system of your PG/PC.
CP 342-5
Equipment Manual, 01/2023, C79000-G8976-C146-11
CAUTION
WARNING
Only clean the outer parts of the housing with a damp, but not wet, cloth.
Only clean the outer parts of the housing with a dry cloth.
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