E51
Insignia
Motor Control Triac Short Circuit
Washer displays E51; often associated with motor control triac short.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Shorted drive motor, Shorted triac on main control board, Wiring short between motor and board, Water intrusion on motor connector
How to Fix / Troubleshooting
Safety first: Unplug the washer immediately. Do not continue to operate with this error.
- Inspect motor and wiring: Access the Insignia drive motor and check for burnt smell, melted insulation, or water on connectors.
- Test motor windings: Use a multimeter to check for shorts between motor terminals and to chassis ground.
- Replace shorted motor: If the motor is shorted, replace the motor assembly and inspect wiring harness for damage.
- Replace main board: A shorted motor often damages the control triac. Replace the main control board after correcting the motor issue.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board / Drive Motor
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