Simulate like a unit working
Check
"Beep" signal or (~ 0 Ω)
Pole - Pole
No signal "OL" or ( Ω)
Remark: "OL" = Over Load for Digital Multimeter, " Ω" = Over Load for Analog Multimeter
*Note: Recommend replacing magnet set at the same time.
3.2) Set unit to upside down (turn 180 ˚) direction
by activate Flow Switch (Reed SW.) become close circuit.
Result
Reed SW contact closed
Cause
Pass
11
Pole - Pole
Action
No action
Change new one*