Problem: Communication failure between main control board and user interface/display board
How to Fix Dryer Error
- UNPLUG dryer from electrical power for 10 minutes to reset electronics.
- Remove top panel, control panel, and rear access panel to expose all internal wiring harnesses.
- Reseat every connector between main control board (rear compartment) and display board (front console). Press firmly until audible click.
- Clean all connector pins with electrical contact cleaner and lint-free swab. Allow 5 minutes drying time.
- Inspect entire harness routing for pinched wires, rodent damage, or abrasion near metal edges. Repair damaged sections with heat-shrink tubing.
- If error persists after reseating: replace main control board using OEM part DC92-01003A.
- Transfer all connectors to new board one-by-one. Secure board with mounting screws to 5 in-lbs torque.
- Restore power. Enter diagnostic mode per model instructions (typically press Temp+Time+Power) to verify communication with all subsystems and clear error history.
Recommended Parts
As an Amazon Associate, we earn from qualifying purchases through links on this page.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
Browse all Samsung error codes: Samsung Error Codes










