
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
165
Service and maintenance
9
9.1
Basic safety information
WARNING
Impermissible repair of the device
•
Repair must be carried out by Siemens authorized personnel only.
CAUTION
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
safety-related applications.
9.2
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
Damage to device.
•
Make sure when carrying out cleaning and maintenance work that no moisture
penetrates the inside of the device.
Содержание SITRANS L
Страница 258: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 258 Operating Instructions 09 2021 A5E32221411 AH ...
Страница 259: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 259 ...
Страница 260: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 260 Operating Instructions 09 2021 A5E32221411 AH ...