Service And Maintenance; Basic Safety Information; Cleaning - Siemens SITRANS L Series Compact Operating Instructions

Service and maintenance

8.1

Basic safety information

Impermissible repair of the device
● Repair must be carried out by Siemens authorized personnel only.
Releasing button lock
Improper modification of parameters could influence process safety.
● Make sure that only authorized personnel may cancel the button locking of devices for
8.2

Cleaning

The radar device requires no cleaning under normal operating conditions.
Under severe operating conditions, the 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 device from service and wipe the antenna clean using a cloth and suitable
cleaning solution.
NOTICE
Penetration of moisture into the device
Device damage
● Make sure when carrying out cleaning and maintenance work that no moisture penetrates
SITRANS LR250 with mA/HART
Compact Operating Instructions, 11/2019, A5E48453192-AA
WARNING
CAUTION
safety-related applications.
the inside of the device.
8
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