Sometimes suppliers rebrand products with their own name but keep elements of the original manufacturer's model number within it.
Frigidaire manufactured a blender with the model number FCLBC400. If your blender looks like this
https://images-na.ssl-images-amazon.com/images/I/41-c-GLV8mL.jpg
it's probably the Frigidaire model that's been rebranded. Just to confuse matters though, Electrolux (which owns the Frigidaire brand name) only uses the 'Frigidaire' name for fridges in the UK. (In the USA it's used for small kitchen appliances as well). So, if that is the correct model of blender, it's not clear whether you'd need to contact Frigidaire or Electrolux.
Frigidaire: 03445 610 528 or
[email protected]
Electrolux: 03445 613 613 or use the email form here:
http://www.electrolux.co.uk/support/contact-us/
(03 phone numbers are charged at the same rate as normal 01 or 02 numbers).