📡Microwave

SE-3

Samsung · Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave

Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave SE-3 Error Fix: Temperature Sensor/Probe Error

The temperature sensor or temperature probe has failed or is not connected. Samsung microwaves with a food temperature probe use this probe to monitor internal food temperature. If the probe is not plugged in but a probe cooking mode is selected, SE-3 may appear. If the probe is plugged in and SE-3 appears, the probe or probe jack has failed. Try a new temperature probe before replacing the internal jack assembly.

warning2 fixes available✨ Free fix available

Quick Answer

Error SE-3 on the Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave means: Temperature Sensor/Probe Error. The top-ranked community fix is “Replace Temperature Probe or Probe Jack Assembly” (medium difficulty, ~45 min, DIY cost: $20-$40). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · microwave

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many microwave repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $130-$200.

Other Samsung Models with Error SE-3

Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave

microwave · 2 fixes

Other Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave Error Codes

C-d0

Main Board Communication Error

2 fixes

C-d1

Sub-Board Communication Error

Door Sensor Error

Magnetron Overheat

Magnetron / Inverter Error

2 fixes

E-13

Inverter Board Failure

Touchpad / Key Error

Relay Stuck Closed — Safety Hazard

2 fixes

People Also Ask About Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave Error SE-3

What does error code SE-3 mean on a Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave?

Error code SE-3 on the Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave means: Temperature Sensor/Probe Error. The temperature sensor or temperature probe has failed or is not connected. Samsung microwaves with a food temperature probe use this probe to monitor internal food temperature. If the probe is not plugged in but a probe cooking mode is selected, SE-3 may appear. If the probe is plugged in and SE-3 appears, the probe or probe jack has failed. Try a new temperature probe before replacing the internal jack assembly.

How do I fix error code SE-3 on my Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave?

The most successful fix is "Replace Temperature Probe or Probe Jack Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $20-$40. HomeMD has 2 community-ranked fixes for this error.

Is error code SE-3 on a Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave serious?

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

Can I fix Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave error SE-3 myself?

Yes — the top-ranked community fix ("Replace Temperature Probe or Probe Jack Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: Phillips screwdriver, Multimeter.

How much does it cost to repair Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave error SE-3?

DIY cost: $20-$40. Professional repair typically costs $130-$200. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave have?

The Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range 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.

Which other Samsung models have the SE-3 error?

Error code SE-3 also appears on 1 other Samsung model: Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave have?

The Samsung Samsung ME21M706BAS 2.1 cu. ft. Over-the-Range Microwave has 8 other known error codes:

C-d0 — Main Board Communication Error (2 fixes)
C-d1 — Sub-Board Communication Error (2 fixes)
DOOR — Door Sensor Error (2 fixes)
E-11 — Magnetron Overheat (2 fixes)
E-12 — Magnetron / Inverter Error (2 fixes)
E-13 — Inverter Board Failure (2 fixes)
E-21 — Touchpad / Key Error (2 fixes)
E-22 — Relay Stuck Closed — Safety Hazard (2 fixes)

Which other Samsung models have the SE-3 error?

Error code SE-3 also appears on 1 other Samsung model:

Samsung MS19M8000AS 1.9 cu. ft. Countertop Microwave (microwave) · 2 fixes

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