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Error code reference
Samsung Dishwasher Error Code tE (High Temp Heating)
High temperature heating error-when thermistor temperature is 80°C or above for more than 3 seconds.
SourceSamsung Dishwasher DMT300 Series - Training ManualError Codes table
Diagnostic procedure
The full tE (High Temp Heating) 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 if water supply temperature is 80°C or above.
SourceSamsung Dishwasher DMT300 Series - Training ManualError Codes table
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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