IM-P693-02
EMM Issue 2
18
LCR2251 Level Controller
5.9 Check function of MIN/MAX output contacts
Test of MIN alarm and MAX alarm
Action
Display
Function
In operating mode: Water level
between MIN and MAX
Select parameter test. Press and hold
ok button.
MAX LED flashes red
De-energizing delay in progress.
MAX LED lights up red for 3 seconds
MAX output contact 21/23 closed,
22/23 open.
The MIN and MAX LED do not light up
for 1 second
MIN output contact 16/18 open, 17/18
closed. MAX output contact 21/23
open, 22/23 closed.
MIN LED flashes red
De-energizing delay in progress.
MIN LED lights up red for 3 seconds
MIN output contact 16/18 closed, 17/18
open.
Test complete, release ok button.
Device switches to operating mode.
Note:
If you continue holding the ok button, the test sequence will start again. You
can interrupt the test sequence at any time by releasing the ok button.
Press the up or down buttons until the actual value is displayed.
Or after 30s, the actual value is displayed automatically.
Note
The actual value is shown on the 7-segment display.
