Salter Thermostat Cycling / Sensor Noise

Oven interior light and fan work, but elements cycle on and off very rapidly, causing unstable temperature.

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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

Loose temperature sensor connection, Damaged sensor cable shielding, Faulty control PCB temperature input, Electrical interference from mains filter

How to Fix / Troubleshooting

Safety first: Disconnect mains power before inspecting wiring.

  • Check sensor connections: Reseat the temperature sensor connector at the PCB and at the sensor (if removable). Ensure pins are tight.
  • Inspect cable routing: Ensure the sensor cable is not routed alongside mains or element wiring, which can induce noise. Re‑route if necessary.
  • Replace sensor: If connections are good but cycling persists, replace the temperature sensor with a genuine Salter part.
  • Control PCB: If a new sensor does not resolve the issue, the control PCB's temperature input circuit may be faulty and require replacement.

Warning: Rapid cycling can stress elements and relays; address promptly to avoid further damage.

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Repair Difficulty

Hard 4/5

Required Part

Oven Temperature Sensor (NTC Probe)
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