E7
Hoover Candy Internal Sensor Fault (Temperature / Current / Hall Sensor)

LED display or indicator shows a sensor error, vacuum may not start or runs erratically

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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

Failed temperature sensor on motor, Faulty current sensor on control PCB, Damaged wiring harness between motor and control board, Moisture ingress on electronics

How to Fix / Troubleshooting

Safety first: Remove the battery pack before opening any covers. Do not operate the vacuum if there are signs of liquid damage.

Steps to attempt basic recovery:

  • 1. Power reset: Remove the battery for at least 5 minutes to allow the control electronics to fully discharge. Refit the battery and test again.
  • 2. Inspect for moisture: Check the handheld unit for signs of liquid spills, condensation, or corrosion around vents and seams. If liquid damage is suspected, do not continue using the vacuum.
  • 3. Check wiring (visual only): On models with accessible motor compartments, remove the outer shell as per the service manual and visually inspect the wiring harness from the motor to the main PCB for pinched, broken, or burnt wires.

Service recommendation: Sensor faults typically require replacement of the main control PCB or motor assembly (if the sensor is integrated). These repairs should be performed by a Hoover Candy service technician using the correct parts and ESD-safe procedures.

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Repair Difficulty

Professional Required 5/5

Required Part

Main Control PCB
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