SITRANS FS230
A5E38755607-AA, 02/2017
23
7
Service and maintenance
7.1
Basic safety notes
Note
The device is maintenance-free.
7.1.1
Maintenance
The device is maintenance-free. However, a periodic inspection according to pertinent directives and regulations must be
carried out.
An inspection can include check of:
●
Ambient conditions
●
Seal integrity of the process connections, cable entries, and cover screws
●
Reliability of power supply, lightning protection, and grounds
NOTICE
Repair and service must be carried out by Siemens authorized personnel only.
Note
Siemens defines flow sensors as non-repairable products.
WARNING
Impermissible repair and maintenance of the device
•
Repair and maintenance must be carried out by Siemens authorized personnel only.
WARNING
Impermissible repair of explosion protected devices
Risk of explosion in hazardous areas
•
Repair must be carried out by Siemens authorized personnel only.
WARNING
Dust layers above 5 mm
Risk of explosion in hazardous areas.
Device may overheat due to dust build up.
•
Remove dust layers in excess of 5 mm.
NOTICE
Penetration of moisture into the device
Device damage.
•
Make sure when carrying out cleaning and maintenance work that no moisture penetrates the inside of the device.
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.