Does the iPad successfully connect to other WiFi networks? Is the problem that you describe just with the eduroam WiFi network?
Begin with a forced-restart of your iPad:
Force restart iPad (models with Face ID or with Touch ID in the top button)
If your iPad doesn’t have the Home button, do the following:
- Press and quickly release the volume button nearest to the top button.
- Press and quickly release the volume button farthest from the top button.
- Press and hold the top button.
- When the Apple logo appears, release the top button.
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Force restart iPad (models with the Home button)
Press and hold the top button and the Home button at the same time. When the Apple logo appears, release both buttons.
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If the restart does not resolve the issue, try resetting the Network Settings:
Settings > General > Transfer or Reset iPad > Reset > Reset Network Settings
Should the problem persist with all WiFi networks, you might reasonably assume a hardware fault.