SCALANCE WxM766
Operating Instructions, 03/2022, C79000-G8976-C617-03
65
Maintenance and cleaning
WARNING
Unauthorized repair of devices in explosion-proof design
Risk of explosion in hazardous areas
• Repair work may only be performed by personnel authorized by Siemens.
WARNING
Impermissible accessories and spare parts
Risk of explosion in hazardous areas
• Only use original accessories (Page 21) and original spare parts.
• Observe all relevant installation and safety instructions described in the manuals for
the device or supplied with the accessories or spare parts.
CAUTION
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.
If the device is not in a hazardous area, only clean the outer parts of the housing with a
dry cloth.
If the device is in a hazardous area, use a slightly damp cloth for cleaning.
Do not use solvents.
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