Maintenance And Repair Work; Unit Repair And Excluded Liability - Siemens SITRANS LR250 Compact Operating Instructions

Service and maintenance

8.3 Maintenance and repair work

8.3 Maintenance and repair work
The device is maintenance-free. However, a periodic inspection according to pertinent
directives and regulations must be carried out.
An inspection can include, for example, check of:
• Ambient conditions
• Seal integrity of the process connections, cable entries, and cover
• Reliability of power supply, lightning protection, and grounds
Maintenance during continued operation in a hazardous area
There is a risk of explosion when carrying out repairs and maintenance on the device in a
hazardous area.
• Isolate the device from power.
- or -
• Ensure that the atmosphere is explosion-free (hot work permit).
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
8.3.1

Unit repair and excluded liability

All changes and repairs must be done by qualified personnel, and applicable safety
regulations must be followed. Please note the following:
• The user is responsible for all changes and repairs made to the device.
• All new components must be provided by Siemens.
• Restrict repair to faulty components only.
• Do not re-use faulty components.
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WARNING
WARNING
penetrates the inside of the device.
SITRANS LR250 with FOUNDATION FIELDBUS
Compact Operating Instructions, 09/2021, A5E48453221-AB