LEAPERKIM VETERAN SHERMAN MAX Fault

Bipolar NPN Hall Effect Sensor Set

The BLDC motor requires precise timing of phase currents based on magnetic field detection; a faulty sensor prevents the controller from determining rotor orientation. These sensors often fail due to thermal cycling within the motor hub, leading to internal bond wire failure or signal drifting. Replacing the discrete sensors restores the closed-loop feedback required for motor commutation.

SKU: SS41F / Honeywell Equivalent

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Internal Motor Hall Sensor PCB / Harness

Vibration and mechanical stress at the motor axle entry point can cause fatigue in the delicate signal wires. If individual sensors are intact, the failure usually resides in the internal wiring harness or the small PCB that seats the sensors within the stator slots. Replacing the entire harness ensures electrical continuity between the motor internals and the main controller.

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Main Motor Controller

In some instances, a short circuit within the motor can back-feed voltage into the controller's 5V sensor rail, damaging the input logic of the MCU. If replacing sensors does not clear the fault, the logic gate responsible for processing Hall signals has likely suffered an over-voltage event, requiring a full board replacement.

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