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Nocturnal change problem?
Hello,
On my fresh water tank, PH sensor is set Nocturnal change to yes with change of: -1, starttime: 21:00:00, endtime: 09:00:00.
Now, it's 13:21, Ph actual value is 5.15
Nominale value 6.50
Hysteresis 0.20
Alarme Active, deactivate control:no, max deviation: 0.50
-> If I set Nocturnal change to no, alarm ring!
But at 13h21 we are not in the 21:00:00 - 09:00:00 period.
What i do wrong?
Thank
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