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Samsung Dryers2024–present

Error Code AC

The dryer's internal parts aren't communicating properly

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: AC

What This Means

Faulty Main PBA (main control board); Faulty SUB PBA (display board); Damaged or loose wire harness between Main PBA and SUB PBA

What actually causes this:

A loose wire connection between the control board and display, or a power surge scrambled the electronics.

First Thing to Check

Unplug the dryer for 2 minutes, then plug it back in — this resets the electronics.

Parts Involved

Main PBA (Main PCB)SUB PBA (Display PCB)Wire Harness

How to Fix

  1. 1

    1. First check the PCB and wire harness for damage or loose connections

  2. 2

    2. Inspect wire harness for pinched, cut, or corroded wires

  3. 3

    3. If wiring is intact, replace the PCB if the problem persists

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung DVE50R8500 Series Dryers (2024) (2024–present)

Service manual exact match: DVE50BG8300E/A3Service manual exact match: DVG50R8500V/A3Service manual exact match: DVG50BG8300V/A3Service manual exact match: DVE50R8500V/A3Service manual exact match: DVE(G)50BG8300*Service manual exact match: DVG50R8500VService manual exact match: DVE50R8500VService manual exact match: DVE(G)50R8500*+2 more

Related Error Codes

bC2

A button on the control panel is stuck or shorted

FC

Your dryer is getting the wrong type of electrical power

3C

The dryer motor isn't spinning properly

9C1

Your dryer is getting the wrong voltage from the outlet

CLg

Your dryer vent is clogged and needs cleaning

tC5

A secondary temperature sensor is giving bad readings

dF

The door switch isn't working properly

tC

Your dryer's temperature sensor isn't reading correctly

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