MUSTART Internal Overheating / Component Failure

Charger emits a burning smell or visible smoke during or shortly after starting a charge.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Shorted component on main control board, overheated relay contacts, internal wiring insulation failure, severe overcurrent event

Safety warning: This is an emergency condition. Risk of fire and electric shock is high.

Immediately disconnect power: Turn off the breaker or unplug the charger. Do not touch the charger housing if it is extremely hot.
Ventilate area: Open doors or windows to clear smoke.
Do not reuse: Do not attempt to power the charger back on to “test” it.
Professional evaluation: The charger must be inspected and repaired or replaced by the manufacturer or a qualified technician.

Professional Required 5/5

Main Control Board or Internal Wiring Harness

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