Frigidaire
Erratic Temperature Control / Relay Chatter
Air fryer cycles on and off rapidly, causing inconsistent cooking
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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, Failing heater relay, Poor control board solder joints, Electrical interference on sensor lines
How to Fix / Troubleshooting
Shock Hazard: Unplug the unit before accessing internal components.
- Step 1 – Check sensor wiring: Access the temperature sensor harness and ensure its connector is firmly seated on the control board.
- Step 2 – Inspect relay: Look at the heater relay on the control board for signs of overheating or mechanical damage.
- Step 3 – Reseat connectors: Reseat all connectors on the control board to ensure good electrical contact.
- Step 4 – Replace suspect parts: If the relay is chattering or the board shows damage, replace the main control board. If the sensor wiring is damaged, replace the sensor harness.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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