Port drive motor cutting out under load
Customer reports port drive motor cutting out after ~20 min on the water. Smell of burnt insulation.
Port motor replaced (MOT-44119 equivalent), battery pack rebalanced and load-tested for 2 h. Hull returned to customer via RMA.
Conversation & evidence
Advised customer to pull the unit from service immediately. Arranging RMA pickup.
Burnt insulation smell points at a winding failure — beyond 1st line. Escalating for depot diagnosis.
Drone received at depot. Confirmed port motor winding failure. Battery pack also showing cell imbalance.
Photo — motor bayTroubleshooting call with the operator — cutouts started after prolonged full-throttle runs. Recording and meeting notes attached.
Call recording + notesCustomer asks whether the replacement motor is covered under warranty. Confirmed: yes, unit is within the 24-month term.
Port motor replaced (MOT-44119 equivalent), battery pack rebalanced and load-tested for 2 h. Hull returned to customer via RMA.