Numatic Thermal Cut-Out Activation

Machine shuts off unexpectedly during use and restarts after cooling.

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

Blocked cooling airflow, Overloaded motor due to blockages, Failing thermal protector, Operating in very hot environment

Safety first: Unplug the machine and allow it to cool fully before further inspection.

Check for blockages: Ensure suction and exhaust paths are clear and filters are clean.
Reduce load: Avoid pushing the machine too quickly or using it on very thick carpets without adjusting settings.
Inspect thermal cut-out: If the machine trips frequently under normal load, the thermal protector or motor may be failing and should be checked by a technician.

Medium 3/5

Motor Thermal Cut-Out

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