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Error code reference
Samsung Refrigerator Error Code Water Tank Heater Error
Water Tank Heater open detected (separation of housing part, bad contact, wire disconnection).
SourceSamsung Refrigerator - Troubleshooting Service Manual (RFG299ABRSXAA)p. 56-58
Diagnostic procedure
The full Water Tank Heater Error 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
After separating MAIN PCB CN79 from PCB, measure resistance between Pink <-> White wire: shall be 72 ohm +/- 7%.
SourceSamsung Refrigerator - Troubleshooting Service Manual (RFG299ABRSXAA)p. 56-58
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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