Samsung Microwave Error Codes: SE, C-10, 5E Complete Guide

Quick Answer

Samsung microwaves have a relatively simple error code system compared to Samsung washers. SE is the most common code, meaning a stuck key/touchpad fault from moisture.

These codes mostly show up because of where the microwave lives. Steam from boiling pots right below an over-the-range model, or someone wiping the front panel with too much spray cleaner, seeps into the membrane and shorts a key contact. C-10 is a newer Wi-Fi annoyance that doesn't stop your food from cooking. But SE and 5E can lock the whole unit up. I always try the 60-second capacitor drain first. Clears about 40% of these without buying a single part.

SamsungMicrowave

About These Samsung Microwave Error Codes

Most Samsung microwave issues are either a simple logic glitch or a hardware failure in the control interface. If you see SE or 5E, you're looking at a stuck button. If it's C-10, the brain's losing its connection to the Wi-Fi module. These are usually the only codes you'll see before the unit just stops responding entirely. Honestly, most of the time a 60-second unplug clears it right up and you're done.

Most Common Error Codes

SE: touchpad moisture damage40%

C-10: smart module communication loss24%

5E: same as SE (display variant)14%

Door switch intermittent12%

Power interruption10%

Symptoms You May Notice

SE or 5E is frozen on the display and won't clear even after you mash the Stop/Clear button a dozen times.
The microwave starts beeping randomly on its own, like someone's pressing buttons when nobody's anywhere near it.
C-10 flashes on newer SmartThings models and your SmartThings app just shows the appliance as offline no matter what you try.
The entire touchpad feels dead, none of the buttons respond, and the clock just blinks at you.
Unit powers on fine and the interior light works but it flat-out refuses to start a cook cycle.

Tools Required for Diagnosis

Hair dryer (cool setting only, for drying membrane)Phillips #2 screwdriver (for cabinet removal if replacing touchpad)Flathead screwdriver (for popping plastic clips)Phone with SmartThings app installed (for C-10 diagnosis)Damp cloth (for cleaning, not soaking)Replacement touchpad/control panel assembly if SE persists after reset

How to Identify Your Error Code

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Samsung Touchpad/MembraneModel-specific · $30–$60	Model-specific	$30 – $60
Samsung Smart ModuleModel-specific · $50–$100	Model-specific	$50 – $100

Frequently Asked Questions

Is 5E the same as SE on Samsung microwave?

They're identical. The digital display uses a seven-segment LED, so the letter S looks exactly like the number 5. Samsung uses these interchangeably depending on the year the microwave was made. In the field, we treat them both as a stuck key error. It usually means the ribbon cable or the membrane itself has a short somewhere. If the 60-second reset doesn't clear it, you're looking at replacing the entire control panel assembly. Budget around $80-120 for the part depending on your specific model number.

What is C-10 on my Samsung microwave?

C-10 is a Wi-Fi communication fault where the smart module loses its connection to the main control board. The good news is it doesn't actually affect heating. Your food still cooks fine. But your smart features go dark. Most of the time a five-minute power cycle fixes it. If it keeps coming back, the module might be loose in its socket or it's slowly failing from the heat generated during long cooking cycles. I see this more often on units people use for extended reheat sessions, like 20-minute casserole reheat type stuff.

Samsung microwave runs but won't heat. What's wrong?

This is the most common question I get on Samsung microwaves. When the unit runs, the light comes on, the turntable spins, but the food stays cold, it's almost never an error code issue. The computer thinks everything's fine. But the magnetron or the high-voltage diode has died. Those parts involve lethal voltages even when the unit's unplugged. I always tell people to weigh a professional repair against just buying a new unit, especially if it's already past five years old. Magnetron replacement with labor typically runs $200-300.

Can I replace the Samsung microwave touchpad myself?

Honestly, yeah, it's one of the more beginner-friendly microwave repairs out there because you're not getting near any high-voltage components. The outer cabinet comes off with 6-8 screws, the touchpad disconnects from the control board via a ribbon cable, and you just reverse the whole thing with the new part. One thing though: make sure you order by your exact model number. The ME18H704SFS and ME19R7041FS take different assemblies even though they look basically the same from the front. Budget about 45 minutes and pull up a YouTube video for your specific model before you start.

How long before these errors start showing up on Samsung microwaves?

Over-the-range models installed above active cooktops start showing touchpad errors around year 5-6 in my experience. Countertop models tend to go longer since they don't get the constant steam exposure. Once you get that first SE code, it's kind of a coin flip: sometimes the reset fixes it permanently, and sometimes it's the start of the end for that membrane. If you're already past year 7 and the touchpad's acting up, I'd honestly think twice before dropping $100-120 on a new touchpad. That money might be better toward a new unit.

Same Fix Works on These Brands

Samsung shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Samsung washerSamsung Washer 3C2 Error Code: Motor Stall Samsung washerSamsung Washer 3E Error Code: Motor Fault Samsung washerSamsung Washer 4E Error Code: Water Supply Fault (Top Load)Samsung washerSamsung Washer 5C Error Code: Drain Error (Older Display)Samsung washerSamsung Washer 8C Error Code: Vibration Sensor Fault Samsung washerSamsung Washer 8E Error Code: Motor Frequency Sensor Fault

Models Known to Experience HUB Errors

This repair applies to most Samsung microwaves with this error code. Common model numbers include:

ME18H704SFS, ME19R7041FS, MC17J8000CS, ME21M706BAS, ME16H702SES, SMH1816S, ME21R7051SS, MC28H5015CS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 15, 2026