blown fuses

Lately, my Meridian 557 power amp is blowing fuses. Any ideas on what could be causing this? Thanks
Check for shorts in speaker cables first, including connectors touching. Try changing cables. If this doesn't help it sounds like it's time to send it in for service.

Fuses blow for a reason. Contact Meridian for their thoughts. They don't want a user spreading negative publicity. You may wind up getting it serviced anyway, but it never hurts to listen to the manufacturer.
Have you made any changes to your system likenew cables or installed a new rack has some cleaning been done that could have made a short as mentioned above?