Yamaha NS-SW310BL Owner's Manual - Page 19

TROUBLESHOOTING Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below, or if the instructions given below do not help, disconnect the power cord and contact an authorized YAMAHA dealer or service center. Problem Power is not supplied even though the STANDBY/ON button is set to the ON position. No sound. Sound level is too low. Cause The power plug is not securely connected. The POWER switch is set to the OFF position. The volume is set to minimum. Speaker cables are not connected securely. Speaker cables are not connected correctly. The PHASE switch is not set correctly. A source sound with little bass frequency content is being played. It is influenced by standing waves. The subwoofer does not turn on automatically. The POWER switch is set to the OFF position. The STANDBY/ON button is set to the STANDBY position. The AUTO STANDBY switch is set to the OFF position. The level of input signal is too low. The subwoofer does not turn into the standby mode automatically. Noise generated from external appliances etc., is activating the subwoofer. The subwoofer turns into the standby mode unexpectedly. The subwoofer turns on unexpectedly. The AUTO STANDBY switch is set to the OFF position. The level of input signal is too low. Noise generated from external appliances etc., is activating the subwoofer. What to Do Connect it securely. Set the POWER switch to the ON position. Raise the volume up. Connect them securely. Connect them correctly, that is L (left) to L, R (right) to R, "+" to "+" and "-" to "-". Set the PHASE switch to the other position. Play a source sound with bass frequencies. Set the HIGH CUT control to a higher position. Reposition the subwoofer or break up parallel surfaces by placing bookshelves, etc., along the walls. Set the POWER switch to the ON position. Set the STANDBY/ON button to the ON position. Set the AUTO STANDBY switch to the "HIGH" or "LOW" position. Set the AUTO STANDBY switch to the "HIGH" position. Move the subwoofer farther away from such appliances, and/or reposition the connected speaker cables. Otherwise, set the AUTO STANDBY switch to the "OFF" position. Set the AUTO STANDBY switch to the "HIGH" or "LOW" position. Set the AUTO STANDBY switch to the "HIGH" position. Move the subwoofer farther away from such appliances, and/or reposition the connected speaker cables. Otherwise, set the AUTO STANDBY switch to the "OFF" position. English 15 En