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Rail Fuses
Indicator LEDs on the rear of
the unit will glow red when
one of the fuses fails. Please
refer fuse replacement to a
qualified service technician.
Internal fuses on the power supply rails of each
channel protect the loudspeakers from excessive
current, as well as the amplifier from short-circuits.
There are two rail fuses per channel. If either one of
the rail fuses fail, that channel will fail to operate.
The front panel LED will typically continue to
glow blue if both fuses in one channel fail, while it
change to red if only one of the fuses fails.
Therefore the front panel LED is not a reliable
indicator of blown rail fuses. Instead refer to the
fuse status LEDs on the rear panel of the
amplifier.
Do not remove the amplifier cover.
Hazardous voltages may exist inside
the unit.
Use of rail fuses other than a 5 x 20
mm fast-acting 10 ampere unit may
damage the unit and void the
warranty.
AC Line Voltage
If the AC line voltage drops below 80% of normal
(brown-out), the unit will revert to the red
“Warm-Up” mode with the outputs muted. After
the voltage returns to normal, the initial warm-up
cycle will begin again and the unit will then revert
to the green “Standby” mode. Press the front panel
button to return the unit to the blue “Operate”
mode.
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