Samsung Microwave Error Code F-3

What Does Error Code F-3 Mean on a Samsung Microwave?

Touchpad/membrane failure.

A specific key on the microwave touchpad has detected a short circuit condition and the membrane has likely failed.

What Causes Error Code F-3?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Membrane keypad failed internally 70% of cases
2. 2
   Moisture behind keypad 20% of cases
3. 3
   Control board key input shorted 10% of cases

How to Fix Samsung Microwave Error Code F-3

1. 1

   Power cycle

   Unplug 2 minutes.

2. 2

   Replace touchpad

   F-3 indicates membrane failure.

   🔩 Samsung microwave touchpad ($40–$90)

How to Reset Error Code F-3

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Related Error Codes

Same Code on Other Brands

Error code F-3 appears on these other brands too. Click to compare:

LG Oven F3

Oven temperature sensor short circuit

LG Microwave F-3

Temperature sensor error — over-temperature detected

GE Appliances Oven F3

Oven temperature sensor open circuit

Haier Refrigerator F3

Defrost sensor failure

Find Replacement Parts

Use these links to find the exact replacement parts for your Samsung Microwave:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions