cant play after volumio-raspberry was in idle


im facing a problem with my volumio setup

  • raspberry 2
  • tplink 725 v2 usb
    -volumio 1.55

after raspberry in idle for few hours\days i need to restart it becuase it doesnt play music.

i can reach the volumio.local page and everything seems to work but no sound.

how can i solve it ?