EGO POWER+ LM2130SP Power Mower Lm2130Sp Cuts Out Under Load

Motor Controller Assembly

The motor controller manages the pulse-width modulation (PWM) to the brushless motor; under load, amperage spikes significantly. If the controller's MOSFETs have degraded or the thermal interface to the heat sink has failed, the board triggers an internal thermal or overcurrent protection shutdown to prevent a catastrophic short. Replacing the assembly restores the high-current switching capability required for heavy cutting.

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56V 7.5Ah Lithium-Ion Battery

Lithium-ion cells develop high internal resistance as they age or undergo thermal stress. Under a light load, the battery may maintain sufficient voltage, but a heavy load causes a 'voltage sag' below the mower's Under-Voltage Lockout (UVLO) threshold, forcing an immediate system shutdown to protect the cells from permanent damage.

SKU: BA4200T

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Wiring Harness Terminal Block

The interface between the battery and the mower is a high-stress point for electrical transfer. Arcing or oxidation on these terminals creates electrical resistance; as current (load) increases, this resistance generates localized heat and a voltage drop, which can fool the controller logic into detecting a depleted battery or a fault.

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