lc
Call a Pro
Samsung · Dishwashers
Leak detected - moisture sensor activated
Quick Answer
Error code LC on your Samsung Dishwashers means: Leak detected - moisture sensor activated. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Water leak from drain hose connections
  2. Faulty drain pump seal
  3. Overfilled detergent causing excess suds and overflow
  4. Condensation triggering the overly sensitive leak sensor
How to Fix It
1
The dishwasher will automatically attempt to drain water when this code is active.
2
Turn off the main water supply to prevent further water entry.
3
Inspect the drain hose connections for visible leaks.
4
Check the drain pump and tub for cracks or damage.
5
Ensure you are using dishwasher-specific detergent (not regular dish soap).
6
Remove any standing water from the base pan beneath the tub.
7
If the leak is from the drain pump, tub, or hose connections, replacement parts are needed.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Drain hose
Drain pump
Tub seal
Leak sensor
Related Error Codes
Video Guides
Loading video guides…
Search more on YouTube →