page 50
DriveCore Install DA Series Operation Manual
Troubleshooting
Troubleshooting
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 breaker has tripped.
• The amplifier has lost AC Power.
• The amplifier is not plugged in to the power
receptacle.
CONDITION: Power indicator is
flashing.
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 the amplifier to cool. Check for
loads less than 2Ω (or less than 4Ω in bridge
mono mode) and for excessive input levels.
Check for proper ventilation and proper output
mode (dual/bridge) configuration.
CONDITION: Fault indicator is
flashing.
POSSIBLE REASON:
• There are a number of conditions that result in
the
Fault
indicator flashing: the temperature is
above 98°C, DC/LF protection is engaged,
excessive high-frequency content is detected,
or an output short circuit is 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, flashing, or on.