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Maintenance and troubleshooting
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.
Impermissible accessories and spare parts
Risk of explosion in hazardous areas
• Only use original accessories (Page 14) and original spare parts (Page 11).
• Observe all relevant installation and safety instructions described in the manuals for the
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.
NOTICE
Cleaning the housing
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.
Fuses
Some devices have a resettable fuse (PTC). If the fuse blows, all LEDs are off although the power
supply is correctly connected. In this case, disconnect the device from the power supply for
approximately 30 minutes before you turn it on again.
SCALANCE XCH-100/XCM-100
Equipment Manual, 11/2022, C79000-G8976-C662-01
WARNING
WARNING
device or supplied with the accessories or spare parts.
CAUTION
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