Had issues with my Montis stat panels which were playing at different sound levels between the left hand and right hand sides. Contacted ML customer support through e-mail and within the hour had received troubleshhooting instructions from a gentleman named Ron (basically exchanging the stats...
Had a similar issue with my Montis`s. Still under warranty and customer support sent me 2 new panels at no cost. I believe these are pretty expensive, as much as $2k + each
