LA90 Discrete

Old Reviews

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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.

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.