CMA Dishmachines Electrical Overheating / Component Burnout

Strong burning smell or visible smoke from the machine.

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Safety Warning

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.

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Possible Causes

Shorted heating element, Motor winding failure, Loose high-current connection, Melted wiring at terminal block

How to Fix / Troubleshooting

Safety first: Immediately turn off power at the breaker and do not operate the machine. If smoke is heavy or fire is present, evacuate and call emergency services.

Step-by-step checks (after area is safe and cool):

  • Inspect wiring: Open the control and power compartments. Look for burned insulation, melted connectors, or discolored terminals.
  • Check heaters and motors: Examine heater terminals and motor leads for signs of overheating. Test components with a meter for shorts to ground.
  • Do not bypass safety devices: Never bypass high-limits, fuses, or overloads to keep the machine running.

When to call a technician: Any burning smell or smoke event requires a qualified technician to inspect and repair the machine before it is returned to service.

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Repair Difficulty

Professional Required 5/5
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