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Service and maintenance
10.1 Basic safety instructions
SITRANS P500 with HART
190
Operating Instructions, 12/2014, A5E02344528-09
WARNING
Maintenance during continued operation in a hazardous area
There is a danger of explosion when carrying out repairs and maintenance on the device in
a hazardous area.
•
Isolate the device from power.
- or -
•
Ensure that the atmosphere is explosion-free (hot work permit).
WARNING
Commissioning and operation with pending error
If an error message appears, correct operation in the process is no longer guaranteed.
•
Check the gravity of the error.
•
Correct the error.
•
If the error still exists:
–
Take the device out of operation.
–
Prevent renewed commissioning.
WARNING
Hot, toxic or corrosive process media
Danger of injury during maintenance work.
When working on the process connection, hot, toxic or corrosive process media could be
released.
•
As long as the device is under pressure, do not loosen process connections and do not
remove any parts that are pressurized.
•
Before opening or removing the device ensure that process media cannot be released.
WARNING
Improper connection after maintenance
Danger of explosion in areas subject to explosion hazard.
•
Connect the device correctly after maintenance.
•
Close the device after maintenance work.
Refer to Chapter "Technical data (Page 197)".
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