I have 3 Sonos play 1’s and a Play 3. Never had any issues before but recently when try to adjust the individual speaker volumes it plays up. For example if I try to turn down the kitchen speaker I pull the bar to the left to lower the volume and it either bounces back to where it was or it turns down the volume for all the speakers the same will happen if I try to increase the volume on one speaker it will either bounce back or turn up all the speakers. Any one know a fix for this??

thanks