Ambiano Erratic Temperature Control

Air fryer does not maintain temperature; cycles between very hot and cool.

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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 NTC sensor connection, Intermittent sensor wiring, Failing heater relay, Poor thermal contact between sensor and chamber

How to Fix / Troubleshooting

Safety first: Unplug and cool the unit before internal inspection.

  • Step 1 – Confirm fluctuation: Use an oven thermometer to monitor temperature swings during a cook cycle.
  • Step 2 – Check sensor wiring: Access the NTC sensor and ensure its connector is tight and wires are not damaged or moving when the fan runs.
  • Step 3 – Secure sensor: Make sure the sensor is firmly clipped to its bracket and in good thermal contact with the chamber or heater shroud.
  • Step 4 – Inspect relay: Listen for rapid or irregular clicking from the heater relay, which may indicate failing contacts.
  • Step 5 – Replace components: Replace the NTC sensor if readings are unstable. If the relay is chattering or sticking, replace the main control PCB.
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Repair Difficulty

Hard 4/5

Required Part

Cabinet NTC Temperature Sensor
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