User's Manual

DriveCore Install Network Series Power Amplifiers
page 51
Operation Manual
Troubleshooting
CONDITION: Power indicator is
ashing.
POSSIBLE REASON:
• The AC line voltage has dropped below
10% or has risen above 10% of the
nomi nal line voltage of the power supply.
• When the Amp is in Sleep Mode as set by
the AUX Port, the amplifier will not power
up until the ground closure on the AUX
Port is released. When the power button is
pushed in this condition, the Power
Indicator will flash for 2 – 3 seconds.
CONDITION: Thermal indicator
is on.
POSSIBLE REASON:
• The amplifier is becoming too hot for safe
operation. Allow amplifier to cool.
Check for loads less than 2Ω,
and for excessive input levels. Check
for proper ventilation and proper
mode-switch set ting.
CONDITION: Power indicator
is off. Mains indicator is on.
POSSIBLE REASON
• The amplifier’s Power switch is off.
CONDITION: Power indicator
is off. Mains indicator is off.
POSSIBLE REASON
• The power supply fuse has tripped.
• The amplifier has lost AC Power.
• The amplifier is not plugged in to the
power receptacle.
CONDITION: Fault indicator is
ashing.
POSSIBLE REASON:
• There are a number of conditions that
result in the Fault indicator flashing:
temperature above 98C, DC/LF protection
is engaged, HF detect, output short
circuit detected. These conditions should
all be checked and attempted to be
resolved before the amp is shipped back
for service.
“Off/Flashing/On” above means that
the LED can be off, or flashing, or on.