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Service and maintenance
8.3 Maintenance and repair work
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. Observe the wait time specified in AUTOHOTSPOT or on the warning sign before opening
3. Visually inspect sensor inlet and outlet.
Improper connection after maintenance
• Connect the device correctly after maintenance.
• Close the device after maintenance work.
Refer to Connecting (Page 28).
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
• Before opening or removing the device ensure that process media cannot be released.
Hot surfaces
Risk of burns during maintenance work on parts having surface temperatures exceeding
70 °C (158 °F).
• Take corresponding protective measures, for example by wearing protective gloves.
• After carrying out maintenance, remount touch protection measures.
48
WARNING
the device.
WARNING
WARNING
remove any parts that are pressurized.
CAUTION
Compact Operating Instructions, 05\2023, A5E51659183-AA – revised 03/2024
SITRANS TDL
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