E1 / Temperature sensor fault on the Ninja AF400 Max XL

Source: ProductDB new-categories research catalog Confidence: 90% Verified Aug 8, 2026

The fridge is not cooling correctly and shows E1, usually from a faulty temperature sensor or a blocked air vent.

How to fix E1 / Temperature sensor fault

Clean the heating element and vents

Unplug the unit, let it cool, and remove grease buildup from the heating element and rear vents with a soft brush.

Source: ProductDB new-categories research catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★ Est. 10 min

Check for airflow obstruction

Ensure the air fryer has at least 5cm of clearance on all sides and the basket is not overfilled.

Source: ProductDB new-categories research catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★ Est. 5 min

Replacement parts for the Ninja AF400 Max XL

Ninja AF400 Max XL Replacement Basket Ninja AF400 Max XL Crisper Tray Ninja AF400 Max XL Grease Filter Ninja AF400 Max XL Heating Element Ninja AF400 Max XL Power Cord

← All Ninja AF400 Max XL error codes

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