This is the tech details to address when you have a flow switch error.
When the error is "NO FLOW DETECTED" that indicates that the pump is running but water is not flowing through the system and pressing the flow switch into the "ON" position.
This could indicate that the saline solution has crystalized and is not allowing water flow, the water level could be low and the pump sucked in air and is air-locked/cavitated, a foreign object is blocking the flow, or the flow switch is broken in the "OFF" position.
Additionally, this error can occur if you turn off the "pump override switch" on the Unity control box when changing filters or during servicing. *See Picture Below*
The tank will go into the disabled state and shut down to protect the pump, heater, and UV from staying on and damaging the components.
Power cycling the tank/filtration unit will clear the error.
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When the error is "FLOW DETECTED WHILE PUMP OFF" it indicates that the flow switch is either stuck or broken in the "ON" position when the pump is not running.
The filtration/tank will shut down to protect the heater from boiling the water and possibly catching fire and/or causing the UV bulbs to stay on and damage the o-ring seals which can cause leaking in the UV/Ozone unit.
Power cycling the tank/filtration unit will clear the error. When the tank re-boots it will first look at the flow switch position and if it still sees that the flow switch is in the "ON" position it will immediately go back into the disabled state.
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In both instances, you can bypass the error immediately with the flow bypass button.
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