Samsung Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave SE-1 Error Fix: Humidity Sensor Error

Error code SE-1 on the Samsung Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave means: Humidity Sensor Error. The humidity sensor used for sensor cooking functions has failed. Sensor cooking modes (Sensor Reheat, Sensor Cook, Popcorn, etc.) rely on this sensor to detect steam from the food and automatically adjust cooking time. Without the sensor, sensor cooking modes will not function, but manual time/power cooking still works. The sensor is typically mounted inside the microwave cavity. Replacement requires partial disassembly.

The most successful fix is "Replace Humidity Sensor Assembly" (hard difficulty, ~60 minutes). Estimated DIY cost: $25-$35. HomeMD has 2 community-ranked fixes for this error.

This error is rated warning severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Replace Humidity Sensor Assembly") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter.

DIY cost: $25-$35. Professional repair typically costs $150-$220. Many homeowners save money by trying the top-ranked community fix first.

The Samsung Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave has 8 other known error codes, including: C-d0 (Main Board Communication Error), C-d1 (Sub-Board Communication Error), DOOR (Door Sensor Error), E-11 (Magnetron Overheat), E-12 (Magnetron / Inverter Error), and 3 more.

Error code SE-1 also appears on 1 other Samsung model: Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave. The fix may vary by model, so check each model's specific page for tailored repair steps.