EX5

Old Reviews

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Error Code

Cause Analysis

Troubleshooting / Solution

-5

Upgraded the incorrect firmware

Upgrade the correct firmware directly.

dFU

DFU mode may be accidently entered

Unplug the power supply and reboot.

Er.1

Abnormal input power voltage

Check the power supply and try with other power supplies.

Er.2

Unit may be defective

Disconnect all the inputs and outputs of EX5 and reboot. If that still not works, unit is considered defective.

Er.3

Unit may be defective

Check the power supply, disconnect all the inputs and outputs of EX5 and reboot. If that still not works, unit is considered defective.

Er.4

1. Triggered headphone amplifier DC protection

2. Unit may be defective

1. Try to turn down the volume level of EX5 and reboot.

2. Disconnect all the inputs and outputs of EX5 and reboot. If that still not works, unit is considered defective.

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