12
13.TROUBLESHOOTING
No.
Troubleshooting guide
Check whether the power plug of the unit and the power
supply socket are in bad contact.
Check whether there is AC 220V/230V 50Hz/60Hz voltage
output from the power supply socket.
Check whether the fuse on the rear panel is already burnt.
Check whether the music signal cables are in good contact.
Check whether both the power supply switch and the
volume pot of the music source equipment have been
turned on.
Check whether the volume pot of the power amplifier has
been turned on.
Check whether there is excessive-amplitude signal input
from the source equipment.
Check whether the CLIP LIMMITER switch is in ON position
Check whether there exists short circuit problem in the
load end connection and ensure the load impedance to
be proper. Turn on the power amplifier again when the
problems are solved.
Check and make sure that the LF FILTER switch is in LF
50Hz or LF 25Hz position.
Check and make sure that the MODE switch is in PARALLEL
position.
Check whether the input signal level is matchable. Increase
the input level if it is not enough.
Check and make sure that the MODE switch is in BRIDGE
position.
Check and make sure that the local voltage is identical
with the operating voltage of the unit.
Check and make sure that all settings and connections
of the unit are correct in accordance with the related
instructions in the user's manual.
Consult professional personnel in the local authorized
â
3
products servicing centre or visit our website:
www.elderaudio.com.
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Description of failures
There is no sound. The
power supply indicator is off.
There is no sound.
The power supply indicator is
on but the SIG. indicator is off.
The CLIP (overload)
indicator is on, and
there is abnormal sound.
LF sound is not enough.
One channel is silent in
paralleled mono mode.
Output is weak
in bridged mode.
Fuss is burnt after the
unit is turned on.
Other failures.
