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ANNA-LISA Manual - Version 1.1
CHAPTER 5: Troubleshooting and Maintenance
CHAPTER 5: Troubleshooting and Maintenance
Troubleshooting
To identify a possible defect with the device please consult the following table.
If the fault cannot be resolved using these instructions, please contact your local
DirectOut representative or visit
support.directout.eu.
Issue
Possible reason
Solution
Device doesn’t
work.
Battery discharged.
Check that the power supply switch is
off and plug the device to a matching
charging device using the USB connec-
tion. Check led ‘BATTERY-CHARGE’.
Rare blinking led
codes after switch
on.
Low power - battery
discharged.
Check that the power supply switch is
off and plug the device to a matching
charging device using the USB connec-
tion. Check led ‘BATTERY-CHARGE’.
Optional SFP
Module:
Optical port does
not work.
Optic is dirty.
Use an air supply to carefully remove any
dust.
Never use objects for cleaning.
Optional SFP
Module:
Analysis of Am-
plitude does not
work
SFP Module does not
support this feature.
Use appropriate SFP module. See „Ac-
cessory“ on page 13.
No signal at the
output port.
Signal cable defective.
Exchange the signal cable.
No signal at the
output port.
Connections (input /
output) are mixed up.
Check the connections and change the
cables if necessary.
Clicks in the audi-
osignal.
Input source is not in
sync with clock mas-
ter of the device.
Check the status of led ‘INPUT SYNC’
and check clock setting of the connected
device.
Maintenance
To clean the device, use a soft, dry cloth. To protect the surface, avoid using clean-
ing agents.
The device should be switched off during the cleaning process.