AGA
Main Power Supply or Safety Cut-Out Fault
AGA range display and lights work but none of the ovens heat
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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
Tripped thermal cut-out, Faulty main oven selector switch, Loose connection at terminal block, Internal wiring harness failure
How to Fix / Troubleshooting
Safety first: Turn off power at the isolator before removing any panels.
- Check cooker switch: Ensure the wall isolator is fully on and not partially engaged.
- Inspect terminal block: Remove the rear cover and check for burnt or loose connections at the main terminal block.
- Thermal cut-out reset: Some AGA models have a manual reset thermal cut-out accessible from the rear or top. Press the reset button if present (only once, and investigate cause of overheat).
When to call a technician: If the cut-out trips repeatedly or wiring is damaged, professional repair is required.
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Repair Difficulty
Hard
4/5
Required Part
Main Thermal Cut-Out / Terminal Block
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