TroubleshootingRefer to the chari below- if the unit does not function properly, l[f the problem you are experiencing is notlisted, or if the instructions fail to help you resolve the problem, disconnect the power cord grad contact yourauthorized Yam_dla dealer or service center.Problem CauseThe power plug is not securelyconnected.R0 sound. The VOLUME control is set to 0.Poweris notsuppliedeventhoughthePOWERswitchis settothe 0R pusition.Sound level is too low.A subwoot)r cable is not connectedsecurely.You are playing a sound source thatincludes inadequate bass frequencies.The sound level has been diminishedby standing waves.The input signal is too smallRemedyTurn the power switch OFF, thenconnect the power plug securely.Turn the VOLUME control to theright (clockwise).Connect a subwoofcr cable securely.Play a sound source that includesmore bass frequencies.Reposition the subwoofcr, or breakup the parallel wall surface byplacing bookshelves or other largeobjects along the wall.Turn up the volume.6