Mini Intermittent Power or Control Reset

Mini EV Home Charger randomly restarts or reboots during charging or while idle

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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 internal low-voltage connector, Failing auxiliary power supply, Firmware instability, Electrical noise or surges on supply

How to Fix / Troubleshooting

Note: Frequent reboots can interrupt charging sessions.

  • Check supply stability: Ensure the charger is on a dedicated circuit and not sharing with large inductive loads that cause voltage dips.
  • Firmware update: Install the latest firmware to address potential software bugs.
  • Internal connector check (technician): With power OFF, open the unit and reseat all low-voltage connectors between the auxiliary supply, main PCB, and UI board.
  • Aux supply test: A technician should monitor the low-voltage rails (e.g., 5 V, 12 V) for drops or noise during operation. Replace the auxiliary supply or main PCB if unstable.

If reboots continue, log events and contact Mini support with details for deeper diagnostics.

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Repair Difficulty

Hard 4/5

Required Part

Mini EV Charger Auxiliary Power Supply Module
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