Amperfied Dynamic Load Management Not Limiting Current

Dynamic load management does not seem to work: house main breaker trips when EV charging and other loads are on.

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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

CT clamp not installed or installed on wrong conductor, Incorrect main fuse rating configured, Disconnected CT wiring, Faulty load management input

How to Fix / Troubleshooting

Safety: Overloading the main supply can cause nuisance trips or overheating.

  • Check configuration: In the Amperfied configuration, verify that the main fuse size and phases are correctly set.
  • Confirm CT installation: Have an electrician verify that the CT clamp is installed on the correct conductor(s) and oriented properly.
  • Test CT signal: A technician can simulate load changes and confirm that the charger sees the changing current values.
  • Repair or replace CT/input: If no signal is detected, repair CT wiring or replace the CT clamp or load management input circuit.
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Repair Difficulty

Hard 4/5

Required Part

External CT Clamp / Load Management Input Circuit
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