Enphase
Mechanical Vibration / Loose Mounting
Charger enclosure vibrates noticeably or rattles when vehicle is charging at high current.
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Possible Causes
Loose wall mounting hardware, Internal components not firmly secured, Resonance from transformer or inductors in power module, Thin mounting surface flexing
How to Fix / Troubleshooting
Note: Vibration can lead to long-term damage if not corrected.
- Tighten mounting: With power OFF, check all wall-mount screws and brackets. Tighten to manufacturer-recommended torque.
- Check wall structure: Ensure the charger is mounted to solid studs or masonry, not just drywall.
- Listen for internal rattle: If noise persists, internal components may be loose. Do not open the unit yourself if it voids warranty.
- Service: A technician can open the charger, add or tighten internal fasteners, and apply damping where appropriate.
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Repair Difficulty
Easy
2/5
Required Part
Enphase EV Charger Mounting Bracket and Internal Hardware
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