Shell Recharge Contactor Chatter / Failed Start Sequence

Shell Recharge charger makes a repeated clicking sound without starting charging; LEDs may cycle between states.

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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

Unstable control voltage to contactor coil, Faulty contactor coil, Pilot signal instability from vehicle, Loose control wiring on main PCB

How to Fix / Troubleshooting

Note: Repeated contactor operation can accelerate wear.

  • Step 1 – Stop attempts: Cancel the charging attempt via the app or unplug the vehicle to stop the clicking.
  • Step 2 – Power cycle: Turn off the breaker for 60 seconds, then on, and retry once.
  • Step 3 – Try another vehicle or cable: Determine if the issue is specific to one EV or cable.
  • Step 4 – Technician inspection: A technician should check the contactor coil voltage, control wiring, and pilot signal stability using appropriate test equipment.
  • Step 5 – Replace faulty contactor or PCB: If the contactor or control circuit is unstable, replacement is required.
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Repair Difficulty

Hard 4/5

Required Part

Main Power Contactor
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