![Siemens SITRANS LR200 7ML5422 Operating Instructions Manual Download Page 136](http://html.mh-extra.com/html/siemens/sitrans-lr200-7ml5422/sitrans-lr200-7ml5422_operating-instructions-manual_384663136.webp)
SITRANS LR200 with mA/HART
136
Operating Instructions, 05/2019, A5E32337676-AE
Service and maintenance
8
8.1
Maintenance and repair
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.
8.1.1
Maintenance
SITRANS LR200 requires no maintenance or cleaning under normal operating conditions.
Under severe operating conditions, the horn antenna may require periodic cleaning. If
cleaning becomes necessary:
●
Note the antenna material and the process medium, and select a cleaning solution that
will not react adversely with either.
●
Remove the instrument from service and wipe the antenna clean using a cloth and
suitable cleaning solution.
WARNING
Impermissible repair of the device
•
Repair must be carried out by Siemens authorized personnel only.
8.2
Cleaning
Cleaning the enclosure
●
Clean the outside of the enclosure with the inscriptions and the display window using a
cloth moistened with water or a mild detergent.
●
Do not use any aggressive cleansing agents or solvents, e.g. acetone. Plastic parts or the
painted surface could be damaged. The inscriptions could become unreadable.