22
Operation, alarm and testing
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 push-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 open.
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 push-
button. Device switches to
operating mode.
Note: If you continue holding the push-button, the test sequence will start again.
You can interrupt the test sequence at any time by releasing the push-button.
Turn the rotary knob 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.
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