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WARNING
Impermissible accessories and spare parts
Risk of explosion in areas subject to explosion hazard.
• Only use original accessories or original spare parts.
• Observe all relevant installation and safety instructions described in the instructions for the
device or enclosed with the accessory or spare part.
WARNING
Humid environment
Risk of electric shock.
• Avoid working on the device when it is energized.
• If working on an energized device is necessary, ensure that the environment is dry.
• Make sure when carrying out cleaning and maintenance work that no moisture penetrates
the inside of the device.
WARNING
Enclosure open
Risk of explosion in hazardous areas as a result of hot components and/or charged capacitors
inside the device.
To open the device in a hazardous area:
1. Isolate the device from power.
2. Visually inspect sensor inlet and outlet.
Exception: Devices exclusively having Intrinsic safety (Ex i) may be opened in an energized
state in hazardous areas.
WARNING
Hot, toxic or corrosive process media
Risk of injury during maintenance work.
When working on the process connection, hot, toxic or corrosive process media could be
released.
• As long as the device is under pressure, do not loosen process connections and do not
remove any parts that are pressurized.
• Before opening or removing the device ensure that process media cannot be released.
Service and maintenance
9.4 Maintenance and repair work
SITRANS MASS 2100 & FC300 (FCT010/DSL)
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Operating Instructions, 06/2020, A5E39788682-AB