Appendix C: Troubleshooting
79
Tango Series Audio Controllers
Source Connections
Problems in source cabling display some of the following characteristics.
The source cannot be heard in any zone.
The source doesn’t seem to respond to keypad commands.
Check the Following:
Ensure that the sources LINE OUT connections are connected to the Tango Controllers LINE IN
connections for the correct device. Check to see that the IR emitter lead is securely fastened to the IR
receiver on the audio source and that you have the lead plugged into the appropriate IR output jack
(FIG. 1).
When a keypad command is received and communicated to the source device, there is a LED that lights
on the front of the Tango Controller indicating the processing of the command. If the LED does not light
with a keypad press, then it is possible that the device has not been programmed. If the LED does light,
there may be a problem with the infrared emitter lead.
Tip: For Testing, when you are having IR problems, it is helpful to carry a blinking
emitter or a test emitter to ensure that the commands are being sent to the source.
Techniques you can use to help isolate a sources problem include swapping the source
with another on the Tango Controller to see if the problem stays with the Controller or
follows the movement of the source. Also try swapping IR emitter leads. Take a look at
the source to ensure that no MUTE functions have been accidentally activated.
No Keypad Activity (At All)
You are not getting power and command connectivity to the zone. Some of the possible causes are:
1. Zone connectors at the Controller are not secure.
2. Connector in the wall at keypad to Controller is not secure.
3. Wiring and connection directions not followed. Make certain the center two wires (DATA and
GROUND) are in the same orientation at the Controller and the keypad.
FIG. 1 Rear View – Source in/out – IR Out
If you connect a keypad while the Controller is on you must restart the Controller for
that keypad to become active.
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