NEUTRAL LOSS
Centurion Open or Loose Neutral Conductor

Control panel indicates NEUTRAL LOSS or NEUTRAL FAULT; unusual voltages may be observed in the home.

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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

Loose neutral lug in generator, Broken neutral conductor between generator and transfer switch, Loose neutral bar in transfer switch, Corroded neutral connection

How to Fix / Troubleshooting

Safety first: Shut down the generator and utility power. Verify absence of voltage before touching any conductors.

  • Inspect neutral lug: Check the neutral connection at the generator output block for tightness and signs of overheating.
  • Check cable integrity: Inspect the neutral conductor in the conduit between generator and transfer switch for damage or water intrusion.
  • Verify transfer switch neutral bar: Tighten all neutral screws in the transfer switch according to torque specifications.

When to call a technician: Neutral issues can cause dangerous overvoltage on some circuits. A licensed electrician or generator technician should correct any neutral faults immediately.

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Repair Difficulty

Hard 4/5

Required Part

Neutral Bus Bar
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