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Error code reference
Kenmore Dryer Error Code E51
Motor relay failure; motor relay stuck open or closed, or wiring defective.
SourceKenmore Frigidaire Dryer - Tech Sheet: Error Codes & Diagnosticsp. 1
Diagnostic procedure
The full E51 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.
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1
First diagnostic step
If motor runs continuously with power applied, check for short circuit across motor relay (RL2) or L1 applied to motor relay output (J3-1) with cycle stopped. If motor does not start, check for open circuit between L1 and motor relay connection (J3-2). If no wiring problems found, replace Electronic Control Board.
SourceKenmore Frigidaire Dryer - Tech Sheet: Error Codes & Diagnosticsp. 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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