Yamaha YST SW215 MCXSP10 Manual - Page 22

TROUBLESHOOTING Refer to the chart below when 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 your 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. The subwoofer does not turn on automatically. The subwoofer does not turn into the standby mode automatically. The subwoofer turns into the standby mode unexpectedly. The subwoofer turns on unexpectedly. 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. Setting of the PHASE switch is not proper. A source sound with few bass frequencies is played. It is influenced by standing waves. The POWER switch is set to the OFF position. The STANDBY/ON button is set to the OFF position. The AUTO STANDBY switch is set to the OFF position. The level of input signal is too low. There is an influence of noise generated from external appliances etc. The AUTO STANDBY switch is set to the OFF position. The level of input signal is too low. There is an influence of noise generated from external appliances etc. 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 the parallel surface 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. 19