Yamaha YSP-2500 Owners Manual - Page 67

Troubleshooting

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TROUBLESHOOTING 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 instruction below does not help, turn off the unit, disconnect the AC power supply cable, and contact the nearest authorized Yamaha dealer or service center. General Problem This unit does not operate properly. This unit fails to turn on when z key is pressed, or the unit is turned off soon after the power has been turned on. This unit is suddenly turned off. The front panel display does not glow. Cause Remedy The internal microcomputer has been frozen by an external electric shock Disconnect the AC power supply cable from the outlet and plug it again in (such as lightning or excessive static electricity) or by a power supply with after 30 seconds. low voltage. The AC power supply cable is not firmly connected to the AC wall outlet. Connect the AC power supply cable firmly to the AC wall outlet. The internal microcomputer has been frozen by an external electric shock Disconnect the AC power supply cable from the outlet and plug it again in (such as lightning or excessive static electricity) or by a power supply with after 30 seconds. low voltage. The internal temperature becomes too high and the overheat protection circuitry has been activated. Wait for about 1 hour for this unit to cool down, turn it back on after confirming an adequate amount of ventilation space and not to cover this unit with a cloth. When the Auto Power Standby function is enabled, this unit turns off automatically in any of the following situations: - Audio is coming from the selected input source. However, no operations have been performed for 8 hours or more. - Bluetooth is selected as the playback device. However, no audio has come out from the device or no operation has been performed for 20 minutes or more. - HDMI 1, 2, or 3 is selected as the playback device. However, the playback device has been disconnected from the selected HDMI IN jack for 20 minutes or more. Turn on the power of the unit and play back the source again. If the Auto Power Standby function is not used, set "AUTO POWER STANDBY" to "OFF". Bluetooth standby mode has been activated, terminating the Bluetooth connection. Resume the Bluetooth connection using the Bluetooth device, or turn on this unit and disable the Bluetooth standby mode. The Eco function is activated. Press the ECO key to deactivate the Eco function. See page - 28 - 11 66 48 46 TROUBLESHOOTING ➤ Troubleshooting En 67

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TROUBLESHOOTING
➤
Troubleshooting
En
67
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 instruction below does not help, turn off the unit,
disconnect the AC power supply cable, and contact the nearest authorized Yamaha dealer or service center.
General
Troubleshooting
Problem
Cause
Remedy
See page
This unit does not operate
properly.
The internal microcomputer has been frozen by an external electric shock
(such as lightning or excessive static electricity) or by a power supply with
low voltage.
Disconnect the AC power supply cable from the outlet and plug it again in
after 30 seconds.
–
This unit fails to turn on when
z
key is pressed, or the unit is
turned off soon after the power
has been turned on.
The AC power supply cable is not firmly connected to the AC wall outlet.
Connect the AC power supply cable firmly to the AC wall outlet.
28
The internal microcomputer has been frozen by an external electric shock
(such as lightning or excessive static electricity) or by a power supply with
low voltage.
Disconnect the AC power supply cable from the outlet and plug it again in
after 30 seconds.
–
This unit is suddenly turned off.
The internal temperature becomes too high and the overheat protection
circuitry has been activated.
Wait for about 1 hour for this unit to cool down, turn it back on after
confirming an adequate amount of ventilation space and not to cover this
unit with a cloth.
11
When the Auto Power Standby function is enabled, this unit turns off
automatically in any of the following situations:
– Audio is coming from the selected input source. However, no operations
have been performed for 8 hours or more.
–
Bluetooth
is selected as the playback device. However, no audio has
come out from the device or no operation has been performed for 20
minutes or more.
– HDMI 1, 2, or 3 is selected as the playback device. However, the
playback device has been disconnected from the selected HDMI IN jack
for 20 minutes or more.
Turn on the power of the unit and play back the source again. If the Auto
Power Standby function is not used, set “AUTO POWER STANDBY” to
“OFF”.
66
Bluetooth
standby mode has been activated, terminating the
Bluetooth
connection.
Resume the
Bluetooth
connection using the
Bluetooth
device, or turn on
this unit and disable the
Bluetooth
standby mode.
48
The front panel display does not
glow.
The Eco function is activated.
Press the ECO key to deactivate the Eco function.
46