You need to sign into your wallet via the web or the app, not the Edge Node software.
• Click the [Lock TFUEL] button.
• Locate the locked TFUEL that needs to be claimed.
• Click the corresponding unlock button.
• You'll then be prompted to pay the network gas fee. (You will need TFUEL in your wallet to cover this).
• In ~96 hours, you'll need to sign back into the wallet.
• Looking under the view locks, you will see "Claim".
• Click claim, another prompt for a gas fee will appear.
• You should then see the locked TFUEL move to your wallet.