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

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 PCBSUB PCB (Display PCB)Wire Harness

How to Fix

  1. 1

    1. Check the wire harness connection between Main PCB and SUB PCB for loose or damaged connectors

  2. 2

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

  3. 3

    3. If wiring is intact, replace SUB PCB first (more commonly at fault)

  4. 4

    4. If error persists after SUB PCB replacement, replace Main PCB

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