Commissioning / Shutdown; Switch On Measurement - Lamtec LT 2 Assembly And Commissioning Manual

6 Commissioning / Shutdown

6
Commissioning / Shutdown
6.1

Switch on measurement

Maintenance switch S1
- Maintenance
mode off
- Maintenance
mode on
The commissioning relates to the software version 1V52 in the LT2, recognizeable at
the indentification plate of the LT2.
• Switch on the LT2
• You can switch to maintenance either using the display and operating unit under
"diag" or using the maintenance switch S1. Maintenance switch S1 always has
priority over the software switch under "diag".
• "Maintenance" is displayed (LED1 lights up orange)
• The probe heats up (10 min.)
• "COLD START" is displayed (LED 5 "Measurement" off)
• "Operation" is displayed (LED 6 lights up green)
NOTE:
During "COLD START", "MAINTENANCE" or "FAULT", a default value is displayed:
• (Factory setting) O
• (Factory setting) COe
In P362 for O , P372 for CO, the type of default value can be set:
2
OFF: No default value is output.
ON: The default value set in the parameter in front is output.
+Maintenance (factory setting): The default value set in the parameter in front is
output during "MAINTENANCE" as well.
+Maint.froz.: With this setting, the default value set in the parameter in front is
output during cold start and fault, as before, but in addition the previous
measurement value is frozen as long as Maintenance mode is active.
During cold start/fault, the default value has priority over the freezing of the
measurement value during maintenance.
During cold start, the cell internal resistance R
or output on the display and operating unit or the monitor output.
The cold start delay can be interrupted by pressing the "cal" button of the display
and operating unit, then proceeding according to the menu guidance, or by pressing
multi-function pushbutton T2 (for more than 3 seconds, or for more than 6 seconds
if a warning or fault is present).
→ 0 vol. % (P361)
2
0 ppm (P371)
57
of the O electrode is displayed
I probe 2