BougeRV
Acoustic Noise from Contactor or Power Electronics
Charger makes loud buzzing or humming noises 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
Loose mounting of output contactor, Vibrating transformer or inductor in power module, AC line harmonics causing coil buzz, Worn contactor armature
How to Fix / Troubleshooting
Note: Some low-level hum is normal, but loud or new noises should be investigated.
- Step 1 – Identify source: Remove the front cover (power off) and then power on while carefully listening to locate the noise source (contactor vs. power module).
- Step 2 – Tighten mounts: With power off, tighten mounting screws for the BougeRV output contactor and any large inductors or transformers.
- Step 3 – Inspect contactor: Look for signs of wear or misalignment in the contactor armature. Replace the BougeRV output contactor if buzzing is excessive or intermittent.
- Step 4 – Check line voltage: Verify that supply voltage is within spec; undervoltage can increase coil buzz.
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Repair Difficulty
Medium
3/5
Required Part
BougeRV Output Contactor
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