CodeRegistry
Brands
  1. Home
  2. Samsung
  3. Washing Machines
  4. Cool LED Flashes
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Cool LED Flashes

Cool LED flashes - Water level sensor issue or unsuccessful fill

Samsung · Washing Machines

What does Cool LED Flashes mean?

The Cool LED flashes, indicating either the water level sensor is not working properly or the washer has attempted to fill but was unsuccessful. The washer will drain for 3 minutes during this time.

Common Causes

  • Water level sensor malfunction
  • Water supply issue (low pressure, tap closed, kinked hose)
  • Clogged inlet screens

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the water faucets are fully open.

  2. 2

    Check that the water supply hoses are not kinked or bent.

  3. 3

    Clean the inlet screens on the fill hoses.

  4. 4

    If the problem persists, contact a customer service center.

Browse all codes in this manual (13)
Verified technical data. Last updated: April 2026

Related Faults

Eco Warm LED FlashesEco Warm LED flashes - Button not workingExtra High LED FlashesExtra High LED flashes - Unsuccessful fillHigh LED FlashesHigh LED flashes - Washer not reaching proper water level
Source: Samsung Washing Machines
View Official PDFSearch more codes in this manual