Samsung Oven Error Code E-43

What Does Error Code E-43 Mean on a Samsung Oven?

Power relay failure on main control board.

A power relay controlling a heating element on the main control board has failed.

What Causes Error Code E-43?

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

1. 1
   Relay contacts burned/welded on control board 60% of cases
2. 2
   Power surge damaging relay 30% of cases
3. 3
   Control board general failure 10% of cases

How to Fix Samsung Oven Error Code E-43

1. 1

   Power cycle

   Turn off circuit breaker 15 minutes.

2. 2

   Replace main control board

   E-43 almost always requires board replacement.

   🔩 Samsung oven control board ($150–$380)

   ⚠️ Photograph all wiring before disconnecting.

How to Reset Error Code E-43

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

Same Code on Other Brands

Error code E-43 appears on these other brands too. Click to compare:

GE Appliances Washing Machine E43

Drive motor failure

Find Replacement Parts

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

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

Frequently Asked Questions