Warranty coverage may vary by sales region and product. Please check the support page on the website specific to the region where you purchased the product. https://www.roland.com/global/international/
For example:
US: https://www.roland.com/us/support/service_repair/#warranty_info
UK: https://www.roland.com/uk/warranty/?lang=en-GB#warranty
JAPAN: https://www.roland.com/jp/support/service_repair/information/