EVXPERTZ INTELLIGENCE · FIELD INSIGHTS

Controller EV Customer Voice to Root Problem Analysis

Explore 10 customer voice themes and 15 root problem categories for Controller EV diagnostics, mapped from EV job-card intelligence.

10 customer voice themes 15 root problem categories 39 mapped connections
01 Choose a customer voice Start with what the rider noticed.
02 Follow the connection See the issues linked to that experience.
03 Trace the root problem Focus the map from either side.

Customer voice → Root problem map

Customer voice signals Select a rider concern to trace the root problems connected to it.
Root causes Select a cause to see which customer experiences it affects.
CUSTOMER VOICES ROOT PROBLEMS voice-01 My scooter turns on, but the mo… voice-02 My scooter suddenly stops while… voice-03 The motor jerks whenever I acce… voice-04 My scooter has very low pickup… voice-05 The controller becomes very hot… voice-06 My scooter displays an error an… voice-07 The motor makes a humming sound… voice-08 My scooter loses power when cli… voice-09 The scooter runs intermittently… voice-10 The controller fuse blows or th… problem-01 MOSFET short circuit or failure problem-02 Gate driver circuit failure problem-03 Controller thermal protection act… problem-04 Loose or intermittent controller… problem-05 Incorrect motor phase commutation problem-06 Hall sensor signal processing fau… problem-07 Insufficient phase current delive… problem-08 Controller current limiting problem-09 Excessive switching losses or ove… problem-10 Damaged PCB tracks or solder join… problem-11 Throttle input signal fault problem-12 Controller protection or fault st… problem-13 Motor phase output failure problem-14 DC bus voltage drop under load problem-15 Connector corrosion or harness da…
Connections link customer voices to root problems Line width shows mapped weight Select a node or connection to focus the map

Showing all voice themes and root problems.

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