Jaguar Intermittent Output Drop / Session Interruption

Charger intermittently stops charging mid-session without any error code; charging resumes after unplugging and reconnecting.

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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

Overheating of internal components causing thermal throttling, Loose power contactor terminals, Marginal pilot signal due to cable damage, Unstable supply voltage causing internal resets

How to Fix / Troubleshooting

Safety first: Repeated interruptions may indicate overheating or loose connections; both can be hazardous.

  • Step 1 – Check ambient and installation: Ensure the Jaguar wallbox has adequate ventilation and is not exposed to direct sun or heat sources.
  • Step 2 – Monitor temperature: Use the app (if supported) to check internal temperature readings during a charge. If near maximum, reduce current limit in settings.
  • Step 3 – Inspect cable: Look for hot spots, kinks, or damage along the tethered cable immediately after a session. Replace if any soft or discolored areas are found.
  • Step 4 – Tighten power connections: With power OFF, tighten all high-current terminals (input and output) and inspect the contactor for signs of overheating.
  • Step 5 – Supply stability: Have an electrician check for voltage dips or flicker on the circuit feeding the charger.
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Repair Difficulty

Hard 4/5

Required Part

Jaguar Wallbox Main Contactor / Power Terminals
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