American Range
Noisy Relay, Transformer, or Cooling Fan
Range emits a buzzing or humming noise from the control area during operation.
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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
Vibrating control relay, loose mounting screws, failing cooling fan motor, noisy transformer on control board
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the control panel or backguard.
- Identify source: With the range operating (by a technician), listen carefully to locate the noise source: cooling fan, relays, or transformer.
- Tighten hardware: After disconnecting power, tighten mounting screws for the fan, control board, and any transformers to reduce vibration.
- Inspect fan: If the cooling fan is noisy or wobbling, replace the cooling fan motor.
- Replace noisy components: If a relay or transformer on the EOC is excessively loud, the control board may need replacement.
Some relay clicking is normal, but loud buzzing or grinding indicates a problem.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor or Electronic Oven Control Board (EOC)
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