If you nd that the corresponding lighting device does not appear on the inteace after
connecting to Light, or the corresponding status of the lighting device still displays oine
after more than 10 seconds, then it may be that the inteace is wrongly connected or the
registration is not successful. Re-plug the inteace when the inteace is correct.
If the total number of connected lighting devices exceeds 1, you need to delete unused
devices before connecting new devices.
Failed to add light controller
Check whether there are other inteerence devices around, and pay attention to stay
away from these inteerence devices or take shielding measures.
The number displayed by the controller changes frequently
The standard solution was not prepared correctly or the electrode is damaged.
The controller cannot be calibrated
When the screen displays horizontal bars, it means that the measured value exceeds the
range.
The screen display area is a horizontal bar "----"
Judging whether the standard solution is polluted or not, replace the standard solution to
re-calibrate the indication value, and the response is slow; another possibility is that the
electrode bulb is covered by di, and the response will slow down. Please clean it according
to the corresponding method according to the type of pollutant, and the response speed is
slow in winter. It is normal.
The test is inaccurate after being calibrated by the standard solution pH4.00, pH6.86,
pH10.00.
Make sure that the power wiring is correct and the power supply can supply power
normally.
The controller has no display
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