Error code reference

Samsung Range Error Code E-28

Oven sensor shorted (resistance under 930-940 ohms), detected 20 seconds after oven starts working.

SourceSamsung 30" Electric Range - Service Manual (FTQ352IWW)p. 30-35

Diagnostic procedure

The full E-28 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
Disconnect power, open back cover, disconnect sensor harness from control, measure sensor resistance (should be 1080 ohms at room temperature).

SourceSamsung 30" Electric Range - Service Manual (FTQ352IWW)p. 30-35

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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