A90 Discrete
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Error Code |
Cause Analysis |
Troubleshooting / Solution |
|
IN3 flashing LED 2 times with 1 second pause |
Incorrect firmware version |
Power off and reboot LA90 Discrete then re-upgrade the correct version of firmware. |
|
IN3 flashing LED 3/4 times with 1 second pause |
Firmware upgrade failed |
Power off and reboot LA90 Discrete then re-upgrade the firmware. |
|
IN1/IN2 flashing LED 1 time with 1 second pause |
Abnormal headphone amplifier DC |
Switch to other songs or turn down the volume and then power off and reboot the LA90 Discrete. |
|
IN1/IN2 flashing LED 2 times with 1 second pause |
Abnormal positive/negative voltage |
Power off and reboot LA90 Discrete after disconnecting all inputs and outputs. Check the power adapter, turn down the volume, check the output connection, check the cables and speakers. |
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IN2 LED is always on, IN1/IN3 LED flashes 1 time with 1 second pause |
Too high temperature |
Unplug the power supply and reboot LA90 Discrete after the unit cools down. Put LA90 Discrete in an environment with good heat dissipation. |
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