Here is where you
-- See if the system is still at normal operating status, if not, please check whether the power supply is properly connected.
-- Press the button to determine whether there is resilience.
--Check if the color illumination on the button switches.
-- Check if the waterproof connector is tightly inserted.
--Check if the water pump socket is connected correctly.
--Check if the water level has immerged the pump.
--Please make sure the pump filter is properly cleaned.
--Double check if the water level is within the proper operating range.
--Check if the LED jacks are connected properly.
--Check if the control button is malfunctioning.
--If some particular LED diodes are not working, this indicates a partial breakage on specific diodes, not the whole panel.