Checking The Gaskets; Display In Case Of A Fault - Siemens SITRANS P DS III Operating Instructions Manual

11.2.2

Checking the gaskets

Inspect the seals at regular intervals
Note
Incorrect seal changes
Incorrect measured values will be displayed. Changing the seals in a process flange of a
differential pressure measuring cell can alter the start-of-scale value.
• Changing seals in devices with differential pressure measuring cells may only be carried
out by personnel authorized by Siemens.
Note
Using the wrong seals
Using the wrong seals with flush-mounted process connections can cause measuring errors
and/or damage the diaphragm.
• Always use seals which comply with the process connection standards or are
recommended by Siemens.
1. Clean the enclosure and seals.
2. Check the enclosure and seals for cracks and damage.
3. Grease the seals if necessary.
- or -
4. Replace the seals.
11.2.3

Display in case of a fault

Check the start of scale value of the device from time to time.
Differentiate between the following in case of a fault:
● The internal self test has detected a fault, e.g. sensor break, hardware fault/Firmware
fault.
Displays:
– Display: display "ERROR"
– PROFIBUS: B_016: sensor error
● Grave hardware faults, the processor is not functioning.
Displays:
– Display: no defined display
– PROFIBUS: slave not available
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08
diagnostics in measured-value recording
Repair and maintenance
11.2 Maintenance and repair work
185