Leviton Cooling Fan Failure

Charger’s internal fan (if equipped) runs loudly or fails to run, causing thermal derating or shutdown.

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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

Dust buildup in fan, Worn fan bearings, Failed fan motor, Fan control circuit fault on main board

How to Fix / Troubleshooting

Safety first: Turn OFF power at the breaker before opening the enclosure. Fans may start unexpectedly when powered.

Steps:

  • 1. Listen for fan: During charging, note whether the fan runs as it used to. A silent fan on a previously noisy unit may indicate failure.
  • 2. Inspect and clean (qualified person): With cover removed and power OFF, gently clean dust from the fan and vents using compressed air.
  • 3. Spin test: Gently spin the fan blades by hand. If stiff or noisy, replace the fan.
  • 4. Voltage check: A technician can verify that the control board is supplying the correct voltage to the fan when required. If not, the board may be faulty.
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Repair Difficulty

Medium 3/5

Required Part

Leviton EVSE Cooling Fan
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