Ninja AF400 Max XL — Error codes & fixes
Troubleshooting guide for the Ninja AF400 Max XL. Diagnose an error code and find the fix.
E1 / Temperature sensor fault
e1The fridge is not cooling correctly and shows E1, usually from a faulty temperature sensor or a blocked air vent.
Source: ProductDB new-categories research catalog
Confidence: 90%
Verified Aug 8, 2026
Sensor fault / E2 error
e2The temperature sensor is not reading correctly, causing the unit to stop heating or display an error.
Source: ProductDB new-categories research catalog
Confidence: 90%
Verified Aug 8, 2026
Toothbrush won't turn on
not-turning-onThe electric toothbrush does not turn on, often due to a dead battery.
Source: De'Longhi support — descaling & maintenance
Confidence: 80%
Verified Aug 9, 2026
No heat
not-heatingThe hair dryer produces no heat, often due to a heating element or switch issue.
Source: De'Longhi support — descaling & maintenance
Confidence: 85%
Verified Aug 9, 2026
Food not crispy
not-crispyThe air fryer does not crisp food, often due to overcrowding or temperature.
Source: De'Longhi support — descaling & maintenance
Confidence: 80%
Verified Aug 9, 2026
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