T R O U B L E S H O O T I N G
If you suspect that your amplifier is not operating properly, you should check all the
connections carefully. Pay particular attention to loudspeaker phasing and channel
connections. RCA plugs should be fully inserted - a frequent cause of problems is
that RCA plug surrounds do not make proper contact. Below are some commonly
encountered problems with suggestions for possible cure. The list is not exhaustive:
If you have any unresolved problems, please consult your appointed Roksan dealer or
distributor.
SYMPTOM
•
No power.
•
No output on
one or both
channels.
•
Very low sound
output
•
Poor
loudspeaker
imaging, lack of
bass output.
•
Hum from
loudspeakers.
14
LIKELY CAUSE
•
AC Mains lead not inserted
properly
•
Unit not switched on.
•
Amplifier in protection
mode (Mode LED GREEN)
•
Missing or bad input signal
connection
•
Incorrect loudspeaker
connection
•
Wrong input selected
•
Over heating.
•
Loudspeakers connected
out of phase
•
Amplifier is in the mute
position (Mode LED
ORANGE).
•
Incorrect grounding.
roksan.com
SUGGESTED REMEDY
•
Ensure AC mains lead is
fully inserted
•
Switch unit on at front left
underside.
•
Check all input
connections
•
Check loudspeaker output
connections on rear panel
•
Select correct input,
ascertain source is working
•
Allow amplifier to cool,
increase ventilation or use
at lower volume.
•
Check polarity of
loudspeaker connections
(especially important if bi-
wiring, bi-amping)
•
Deselect Mute (check
volume setting first).
•
Check mains polarity
and grounding on all
connected equipment.