Specifications

Troubleshooting and Technical Information
22 Dynaudio SUB 300/500
The subwoofer will not switch on
automatically.
No signal is present on either of the subwoofer’s inputs
(Status LED lights red).
The subwoofer has been set to temporary manual
On/Standby switching.
Make sure to switch the system off first before
making any changes!
X Check if all signal cables are connected properly.
X Check if the subwoofer output on the source is
engaged.
X Switch back to automatic On/Standby facility by
briefly pressing the green I button on the remote
control. The subwoofer will switch on and the
MANUAL mode LED will extinguish.
The subwoofer will not switch to
standby automatically.
The subwoofer has been set to temporary manual
On/Standby switching.
X Switch back to automatic On/Standby facility by
briefly pressing the red O button on the remote
control. The subwoofer will switch to Standby
and the MANUAL mode LED will extinguish.
I cannot store a setting. Preset Settings switch is set to Protect. X Set Preset Setting switch from Protect to Store.
Subwoofer is switched on but no sound
from the subwoofer.
No signal is present on either of the subwoofer’s inputs.
In the processor or receiver’s bass-management set-up,
“subwoofer” has been disabled.
Subwoofer volume level has been turned down all the
way on the processor/receiver.
Subwoofer volume level has been turned down all the
way with the subwoofer’s remote control.
Make sure to switch the system off first before
making any changes!
X Check if all signal cables are connected properly.
X Check settings in bass-management menu of the
connected amplifier or receiver.
X Carefully and gradually increase the subwoofer
volume level on the amplifier or receiver.
X Carefully and gradually increase the subwoofer
volume level with its remote control.
Problem Cause Solution