Cosori
Unstable Low-Voltage Supply to Display
Display flickers or dims during operation, but the unit continues to cook.
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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 display connector, Failing capacitors on main control PCB, Voltage drop from weak outlet or shared circuit, Heat affecting control board
How to Fix / Troubleshooting
Safety first: Unplug before opening the housing.
- Step 1 – Try a different outlet: Plug the air fryer into a dedicated outlet with no other high-load devices.
- Step 2 – Check cord and plug: Inspect for heat damage or looseness at the plug. Replace the power cord if damaged.
- Step 3 – Reseat display connector: Remove the front/top cover and reseat the ribbon cable between the display board and main control PCB.
- Step 4 – Inspect control board: Look for swollen or leaking capacitors on the main control PCB. If present, replace the main control PCB.
- Step 5 – Monitor temperature: Ensure the unit is well ventilated so the control board does not overheat.
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Repair Difficulty
Medium
3/5
Required Part
Main Control PCB
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