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Error code reference
Samsung Dishwasher Error Code 4E2
High temperature water supply error: occurs when 80°C or above is detected during water supply.
SourceSamsung DMT300 Dishwasher - Service Manualp. 4-1
Diagnostic procedure
The full 4E2 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 water supply temperature (must be below 80°C). Possible defect: Thermistor, Main PBA.
SourceSamsung DMT300 Dishwasher - Service Manualp. 4-1
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 dishwasher.
Models covered by the manuals that document this code
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