Siemens Sitrans LR400 Instruction Manual page 71

6.4.9 Acknowledge
Allows you to acknowledge either a Maintenance Required or a Maintenance
Demanded alert.
In SIMATIC PDM:
a. Open the menu View - Device Status (PROFIBUS PA) or View – Status (HART),
and click on the Maintenance tab.
b. In the Calibration Interval window, click on Acknowledge Warnings.
Options (read only)
7ML19985FH06 SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL
DO NOTHING
ACKNOWLEDGE
Page 67