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

1. undefined: 1. Check if the AC4 occurs on the line test mode (line test mode cannot enter if dry procedure has been completed) 2. undefined: 2. Remove the WIFI Module and check for any faulty soldering 3. undefined: 3. Inspect wire connections between WIFI PBA and Main PBA 4. undefined: 4. If WIFI module soldering is faulty, replace WIFI module

Samsung Dryers2024–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 fault or faulty soldering; Main PBA WIFI circuit fault; 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 fault or faulty soldering; Main PBA WIFI circuit fault; 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 PBAMain PBA

How to Fix

1
1. Check if the AC4 occurs on the line test mode (line test mode cannot enter if dry procedure has been completed)
2
2. Remove the WIFI Module and check for any faulty soldering
3
3. Inspect wire connections between WIFI PBA and Main PBA
4
4. If WIFI module soldering is faulty, replace WIFI module

This Error Applies To

Samsung DV25B6800H Series Dryers (2024) (2024–present)

Service manual exact match: DV25B6900HW/A2Service manual exact match: DV90N62632X/EUService manual exact match: DV25B6800HW/ACService manual exact match: DV25B690*H*Service manual exact match: DV25B6800H*Service manual exact match: DV22N6850*