ae4
Moderate
Samsung · Dryers
Signal communication error - sub board
Quick Answer
Error code AE4 on your Samsung Dryers means: Signal communication error - sub board. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Step 1: Unplug the dryer for 60 seconds, then restart.
2
Step 2: If the error returns, inspect internal wiring harnesses for loose connections.
3
Step 3: Replace the sub PCB or main control board if wiring is intact.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Sub PCB
Main control board
Wire harness
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