5
General Problems And Trouble-shootings
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Problem
Possible cause
Trouble-shootings
Power connector not plug well
Plug the power connector again
Speaker no
sound
"Error-1 displayed and system halted
when starting. DC input occurred possibl
y"
Fuse has fused
Change the fuse coincide
with the prompt requirement.
It should function well after disconnecting of
the corresponding input, or it needs to be repaired
"Error-1"displayed when using
if it couldn't restore, it should be sent repairing
"Vol---"displayed
Release mute
Flickering displaying Temperature
value "high-temperature protection
Sound source not open
open sound source
Signal wire broken
check and change signal wire
Speaker wire broken
check ad change speaker wire
Signal selector switch wrong
Tune input selection button according
to sound source
Root noise of sound source too big
Change a higher SNR sound
Signal shielding effect badly
Change eligible signal wire
Signal source input phase opposed
Connect according to the indication of
left and right channel
Noise too big
Left and right
channel
confused
Shutdown and cool down
Speaker wire to channels has exchanged
or positive negative reversed
t
he machine is
not electrified
Chapter 3
