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Error code reference
Samsung Refrigerator Error Code Ice On LED
Ice Maker error - ice maker sensor error or ice maker function test error.
SourceSamsung RT18/RT21 Refrigerator - Full Service Manualp. 41-43
Diagnostic procedure
The full Ice On LED 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
Check voltage between MAIN PCB CN90 #4 and #3 should be within 4.5V~0.5V. After replacing the Ice Maker, plug in the unit and check its operation.
SourceSamsung RT18/RT21 Refrigerator - Full Service Manualp. 41-43
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
1 manual in the MyPros+ library documents this code for Samsung refrigerator.
Models covered by the manuals that document this code
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