Hoshizaki Electrical Overheating / Component Burnout

Unit emits a burning smell or visible smoke from cabinet

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

Overheated wiring at terminal block, Shorted motor windings, Failed control board component, Loose electrical connections causing arcing

Safety First: Immediately disconnect power at the breaker. Do not continue to operate the unit until inspected.

Ventilate area: Open doors/windows to clear smoke and odor.
Inspect visually: After cooling, remove panels and look for charred wiring, melted insulation, or burnt components on the control board.
Do not bypass safeties: Replace any burned wiring or components; never bypass fuses or safety devices.

When to call a technician: Electrical burning or smoke almost always requires professional repair and safety inspection.

Professional Required 5/5

Control Board (PCB Assembly)

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