Samsung Washing Machine Error Code E7
Heater circuit error — TRIAC failure
The TRIAC (solid-state relay) that switches power to the heating element has failed. The heater element may be physically fine but cannot receive power.
What Does Error Code E7 Mean on a Samsung Washing Machine?
Heater circuit error — TRIAC failure.
The TRIAC (solid-state relay) that switches power to the heating element has failed. The heater element may be physically fine but cannot receive power.
What Causes Error Code E7?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Heater TRIAC burned on control board 65% of cases
- 2 Heater element short-circuit causing TRIAC damage 25% of cases
- 3 General control board failure 10% of cases
How to Fix Samsung Washing Machine Error Code E7
- 1
Test the heating element first
Check element for continuity and for any short to the casing. A shorted element damages the TRIAC.
🔩 Multimeter - 2
Replace damaged element if shorted
Replacing a shorted element without replacing the board may cause the new TRIAC to fail again.
🔩 Samsung washer heating element ($40–$100) - 3
Replace control board
E7 almost always means the control board's heater circuit needs replacement.
🔩 Samsung main control board ($120–$300)
How to Reset Error Code E7
Unplug 10 minutes. If E7 returns, replace the control board.
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
E7 almost always requires control board replacement. Not a typical DIY repair.
Related Error Codes
Same Code on Other Brands
Error code E7 appears on these other brands too. Click to compare:
Find Replacement Parts
Use these links to find the exact replacement parts for your Samsung Washing Machine:
External links — ApplianceErrors.com is not affiliated with these retailers.