Actuation point drifts or switch sticks
Nakakita NS286, magnetic float level switch
Possible cause
Deposits on the tube inner wall or iron core from dirty liquid
What to do
Manufacturer's manual, p. 95Dismantle, clean and remove deposits; check yearly
See the assembly on the 3D model
Other Nakakita NS286 faults
From the manufacturer's manual “EM-36 LEVEL SWITCH”. Check against the original on board before work.