Maintenance and troubleshooting
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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 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
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
The IE switches of the SCALANCE XB-000 product line have a resettable fuse / PTC. If the fuse
triggers (all LEDs are off despite correctly applied power supply), the device should be
disconnected from the power supply for approximately 30 minutes before turning it on again.
SCALANCE XB-000
Operating Instructions, 01/2022, A2B00077300-11
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