Service; Device Reset; Manufacture Date; Lcd Fast Mode - Siemens Sitrans LR250 Instruction Manual

3.16.8. Acknowledge Status
Read only. Displays the status of the Maintenance Alerts that have been
acknowledged.
Options
(view only)
Open the menu View – Display Status, click on the Maintenance tab and check
the Sensor Lifetime Status window.
3.16.9. Acknowledge
Allows you to acknowledge either a Maintenance Required or a Maintenance
Demanded alert.
To acknowledge an alert via PDM:
a) Open the menu View – Device Status and click on the Maintenance tab.
b) In the Device Lifetime section click on Acknowledge Warning.

4. Service

4.1. Device Reset

Resets all parameter to factory defaults, with the following exceptions:
• The Lock and Unlock values are not reset.
• The learned TVT curve is not lost.
Following a reset to factory defaults, complete reprogramming is required.
Note:
Options
To perform a reset to factory defaults via SIMATIC PDM, open the menu Device –
Device Reset and click on Factory Defaults.

4.2. Manufacture Date

The date of manufacture of the SITRANS LR250 (yy mm dd).

4.3. LCD Fast Mode

Affects Measurement mode only: has no effect on Navigation mode.
Note:
Enables a faster rate of measurement from the device by disabling most of the
display area. Only the bar graph will be refreshed when LCD Fast Mode is set to ON.
Values
7ML19985JE01
Maintenance Required Alert acknowledged
Maintenance Demanded Alert acknowledged
Idle or Done (Return to previous menu)
*
Factory Defaults
ON or OFF
SITRANS LR250 (HART) – INSTRUCTION MANUAL Page 81