Smokin-It
Electrical Component Noise / Relay or Transformer Issue
Unusual buzzing, humming, or clicking noises from control box
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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 relay or transformer mounting, Failing relay coil, Vibrating metal cover, AC hum from power transformer
How to Fix / Troubleshooting
Safety first: Unplug the smoker before opening the control box.
Steps:
- Identify source: Remove the control box cover and carefully power the unit on (only if you are comfortable around live circuits). Listen and locate the noisy component without touching anything live.
- Tighten mounts: Turn power off and unplug. Tighten screws holding the transformer, relays, and control board to reduce vibration.
- Inspect relays: If a relay chatters rapidly, it may be failing or receiving unstable control signals. This usually requires control board replacement.
- Reassemble: Ensure the control box cover is properly seated and not vibrating against the frame.
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Repair Difficulty
Medium
3/5
Required Part
Control Board / Power Transformer / Relays
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