Error Code AC
The control panel can't communicate with the main circuit board
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Signals between the sub and main PBAs are not sensed due to communication error; Incorrect or loose connector connections between sub and main PBAs; Faulty soldering on the sub PBA control panel
What actually causes this:
A wire connection came loose between the control panel and the main board
First Thing to Check
Turn off the washer at the circuit breaker, wait 60 seconds, then turn it back on
Parts Involved
How to Fix
- 1
1. Check the wire connections and terminal contacts between the sub and main PBAs
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the sub PBA control panel and check for any faulty soldering
- 4
4. Check for disconnected wires
- 5
5. Check whether the sub PBA is short-circuited because of moisture
- 6
6. If the main PBA's communication circuit is faulty, replace it
This Error Applies To
Samsung WF45M5 Series Washers (2017) (2017–present)
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