Error Code LO
The washer cannot lock the door to start a cycle
Moderate
Address soon - your appliance may not work properly
Also displayed as: LO
What This Means
Main PCB fault; Door lock switch fault; Door lock motor fault
What actually causes this:
The door latch mechanism or the main control board has failed
First Thing to Check
Open and close the lid firmly — if the washer still will not start, it needs service
Parts Involved
How to Fix
- 1
1. Check the Door-Lock SW terminal connections and contacts
- 2
2. In state of Door Lock and Unlock, check Door Lock contact resistance and Unlock contact resistance
- 3
3. Check Door-Lock SW motor resistance — 33 to 46 ohms
- 4
4. Check Lock contact (White-Red wire) — approximately 0.2 ohms
- 5
5. Check Unlock contact (White-Blue wire) — approximately 0.2 ohms
- 6
6. If resistance is satisfied with spec, replace the PBA
This Error Applies To
Samsung WA456DRHDW Series Washers (2012) (2012–present)
Related Error Codes
The washer cannot detect how much water is in the tub
The washer's motor cannot spin or is detecting a problem
The washer is not getting enough water to fill
The washer cannot pump the water out
The washer's control boards cannot communicate with each other
A button on the control panel appears to be stuck
The washer does not detect the door as properly closed
The washer cannot unlock the door after a cycle