If the Grana.com coupon code isn't working, consider the following steps:
- Check the expiration date of the coupon code.
- Ensure the code is entered correctly, without any typos.
- Verify the terms and conditions of the coupon, such as minimum purchase requirements.
- Clear your browser's cache and cookies.
- Try using a different browser or device.
- Contact Grana's customer support for assistance.
If none of these steps resolve the issue, the code might be deactivated or invalid.