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HDL-64E User’s Manual
Use this chart to troubleshoot common problems with the HDL-64E.
P r o b l e m
R e s o l u t i o n
Unit doesn’t spin
Verify power connection and polarity.
Verify proper voltage – should be 12 volts
drawing about 3-4 amps.
Remove bottom cover and check inline fuse.
Replace if necessary.
Unit spins but no data
Verify Ethernet wiring.
Verify packet output from another source
(e.g. Etherreal/Wireshark).
No serial communication
Verify RS-232 cable connection.
Unit must be active and spinning for
RS-232 update.
It may take several tries for the update
to be effective.
T roubleshooting