Dynacord V Series Installation Manual page 39

V Series
Problem
Weak sound output, but with
no fault indications.
Hum and hiss noise.
Fault LED on the amplifier
channel is indicating solid
red.
APD has been activated, but
the amplifier is not going
into standby mode.
Amplifier does not wake up
from APD.
ecoRAIL is not activating as
expected.
Amplifier is working, but all
the red LEDs are flashing
every 2 seconds and the
relay is showing a fault
status.
Dynacord
Possible cause
Incorrectly wired input
connectors.
Interference on inputs due to
unbalance cables or
incorrect connections.
1) Speaker cable has a short
or the cable is damaged.
2) incorrect AMP MODE
selected.
3) Internal amplifier channel
malfunction.
1) Possible unintended
signal or interference on the
input.
2) Signal could be present
on an unused channel from
the desired signal routing.
Input source level is too low. Ensure that the input source
Volume is set too high.
Fan error.
Installation manual
Troubleshooting | en
Solution
used.
See Set the loudspeaker
parameters (FILTER), page 29.
Ensure that the input cables
are correctly match to the
polarity of the source (i.e.
wired correctly).
See Audio inputs, page 31.
Suggest using balanced input
cable wiring.
See Audio inputs, page 31.
1) Check or replace speaker
cables and ensure that
connections are wired
correctly.
2) Select the appropriate
AMP MODE for your
speakers.
See Set the output mode
(AMP MODE), page 27.
3) Contact service agent.
Check that there are no
unintended signals on any
inputs (including ground
loop interference).
is active and delivering
sufficient signal to the
amplifier.
Lower the volume, or
consider more sensitive
speakers which will deliver
higher volume with ecoRAIL
engaged.
Check blockages or if
something is caught in the
fan.
2024.01 | V03 | F.01U.402.248
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