Error Code AC
The control panel and main circuit board cannot talk to each other.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Signals between sub and main PBAs are not sensed due to communication check; Incorrect or loose connector connections between sub and main PBAs; Faulty soldering on sub PBA C/Panel
What actually causes this:
A loose wire connector between the control panel board and the main board, often from vibration over time.
First Thing to Check
Unplug the washer for 60 seconds, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check the wire connections and terminal contacts between the sub and main PBAs
- 2
2. Check for disconnected wires
- 3
3. Check whether the sub PBA is short-circuited because of moisture
- 4
4. If the main PBA's communication circuit is faulty, replace it
Other Error Codes for WA52A5500AP
The washer's vibration sensor may be faulty.
The washer's vibration sensor may be faulty.
The washer lid is not closing or locking properly.
The water heating element has an electrical problem.
The washer is overfilling with water beyond the safe level.
The washer cannot read the drying temperature correctly.
A drying system temperature sensor is not working correctly.
The motor's power module has overheated.