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En 37
Troubleshooting
Refer to the table below when the unit does not function properly. If your problem is not listed below or if the instruction below does not help, turn off the unit,
disconnect the power cable, and contact the nearest authorized Yamaha dealer or service center.
First, check that the connectors of each cable are securely inserted in to jacks on each device.
General
Problem Cause Solution
The unit enters the standby mode soon
after the power is turned on.
The unit does not operate properly.
The power cable is not properly connected. Connect the power cable firmly.
The power does not turn off.
The internal microcomputer has frozen, due to an external electric shock
(such as lightning or excessive static electricity) or to a drop in the power
supply voltage.
Hold down A on the front panel for more than 10 seconds to initialize and
reboot the unit. (If the problem persists, unplug the power cable from the
wall outlet and plug it again after 30 seconds or more.)
No sound.
No appropriate source has been selected.
Select an appropriate source with INPUT on the front panel or the source
buttons on the remote control (& P.5, 8).
Speaker connections are not secure. Secure the connections (& P.9).
The volume is minimum or mute. Turn up the volume.
The power is suddenly turned off.
The sleep timer may be set (& P.33).
Turn on the unit and play the source again.
Auto Power Off is set (& P.12).
The clock setting has been cleared. The power cable has been disconnected or there was power outage. Connect the power cable, and set the clock again (& P.31).
Sound is heard from the speaker on one
side only.
Source device or speakers are not connected properly.
Connect the source device or speaker cables properly (& P.9, 19). If the
problem persists, the cables may be defective.
There is noise interference from digital or
high-frequency equipment.
This unit is too close to the digital or high-frequency equipment. Place this unit farther away from such equipment.
The remote control does not work or does
not function properly.
The remote control may be operated outside its operation range. Operate the remote control within its operation range (& P.12).
The remote control sensor on this unit may be exposed to direct sunlight or
strong lighting such as an inverter type fluorescent lamp.
Change the orientation of lighting or the unit, or location of the unit.
The battery may be worn out. Replace the batteries with new ones (& P.4).
There are obstacles between the sensor of this unit and the remote control. Remove the obstacles.
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