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SERIES 6A
ADVANCED SETUP GUIDE
11.2.4.48 Diagnostics value '71.LMDY1 - Maximum negative leakage at Y1'
Display range: +0.000 ... #.### (bar/min)
+0.000 ... #.### (psi/min)
+0.00 ... ##.## (MPa/min)
Purpose: The pressure change at Y1 is continuously monitored in the control‐
led state. The maximum pressure decrease (leakage) is displayed.
If a limit de ined in "U8.LRL" is exceeded, the error code 22 is
shown in the display. A message is entered in the logbook. To reset
the error code, eliminate the leakage. The parameter can also be
reset via HART communication. If you cannot eliminate the
leakage, increase the "U8.LRL" parameter or set the parameter to
0.
11.2.4.49 Diagnostics value '72.LMDY2 - Maximum negative leakage at Y2'
Display range: +0.000 ... #.### (bar/min)
+0.000 ... #.### (psi/min)
+0.00 ... ##.## (MPa/min)
Purpose: The pressure change at Y2 is continuously monitored in the control‐
led state. The maximum pressure decrease (leakage) is displayed.
If a limit de ined in "U8.LRL" is exceeded, the error code 22 is
shown in the display. A message is entered in the logbook. To reset
the error code, eliminate the leakage. The parameter can also be
reset via HART communication. If you cannot eliminate the
leakage, increase the "U8.LRL" parameter or set the parameter to
0.
11.3 Online diagnostics
11.3.1 Overview of online diagnostics
Online diagnostics means diagnostics during ongoing operation. During operation of the
positioner, a few important values and parameters are continually monitored. In conguration
mode, you can congure that monitoring so that the fault message output will be activated if,
for instance, a limit is exceeded.
Information about what events can activate the fault message output can be found in the table
in section "Overview of error codes (Page 237)".
This section contains particular information about the following situations:
• Possible causes of the fault message.
• Events which activate the fault message output or alarm outputs.
Diagnostics and troubleshooting
11.3 Online diagnostics
SIPART PS2 with 4 to 20 mA/HART
236 Operating Instructions, 10/2020, A5E00074631-AF
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