How do I fix error code AC4 on a Samsung dryers?

1. undefined: 1. Note: AC4 occurs on the line test mode — the line test mode cannot be entered if the dry procedure has been completed 2. undefined: 2. Remove the WiFi module 3. undefined: 3. Check for any faulty soldering on the WiFi module 4. undefined: 4. Reseat or replace the WiFi module 5. undefined: 5. If error persists, check Main PBA WiFi circuit

Samsung Dryers2018–present

Error Code AC4

Q: What does error code AC4 mean on a Samsung dryers?

Your dryer's WiFi connection isn't working WiFi module faulty soldering; WiFi PBA communication failure; Main PBA WiFi circuit failure; Line test mode entered after dry procedure completed

Your dryer's WiFi connection isn't working

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC4

What This Means

WiFi module faulty soldering; WiFi PBA communication failure; Main PBA WiFi circuit failure; Line test mode entered after dry procedure completed

What actually causes this:

The WiFi module lost connection to your home network, or your router settings changed.

First Thing to Check

Check that your WiFi router is working and the dryer is within range.

Parts Involved

WiFi PBA (WiFi Module)Main PBA

How to Fix

1
1. Note: AC4 occurs on the line test mode — the line test mode cannot be entered if the dry procedure has been completed
2
2. Remove the WiFi module
3
3. Check for any faulty soldering on the WiFi module
4
4. Reseat or replace the WiFi module
5
5. If error persists, check Main PBA WiFi circuit

This Error Applies To

Samsung DV22N68 Series Dryers (2018) (2018–present)

Service manual exact match: DV22N685*H*Service manual exact match: DV22N6850HX/A2Service manual exact match: DV22N680*H*Service manual exact match: DV22N6800HW/AC