E3
AGA Supply Voltage Out of Range

AGA induction cooktop displays E3, zones may shut down unexpectedly

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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

Incorrect mains voltage (too high or too low), Loose terminal block connections, Shared circuit overload, Internal power supply fault on control board

How to Fix / Troubleshooting

Safety first: Do not operate the cooktop if you suspect electrical supply issues. Turn off at the mains.

  • Check other appliances: If lights dim or other appliances behave oddly, there may be a supply problem. Contact an electrician.
  • Inspect terminal block (qualified persons only): With power off, remove the terminal cover at the rear or underside of the AGA range. Check that all supply wires are tight and correctly connected according to the wiring diagram.
  • Dedicated circuit: Ensure the AGA induction hob is on a correctly rated dedicated circuit as per installation instructions.

When to call a technician/electrician: E3 often requires a qualified electrician to verify supply voltage and connections. If supply is correct, an internal power supply fault on the hob control may need replacement.

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Repair Difficulty

Hard 4/5

Required Part

Main Terminal Block / Induction Control Power Supply
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