Error code reference

Samsung Washer Error Code Hot&Small LED Flash

Water Supply Code - cold and warm water supply hoses wrongly connected, water temperature sensed higher than 70°C during dry cycle, water temperature sensed higher than 50°C in Wool or Lingerie courses, foreign material in water supply valve, valve terminal not connected, or PCB terminal from drain hose to detergent drawer not connected.

SourceSamsung Top-Load Washer - Service Manual: WA40J3000A Seriesp. 19, 22

Diagnostic procedure

The full Hot&Small LED Flash procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Measure the resistance of the water supply valve (0.9KΩ to 1.1KΩ) and check for foreign material in the water supply valve filter.

SourceSamsung Top-Load Washer - Service Manual: WA40J3000A Seriesp. 19, 22

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

3 manuals in the MyPros+ library document this code for Samsung washer.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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