Xbee-Arduino library - Can't transmit

I’m trying to use rappa’s [xbee-arduino library to simplify passing data around in my xbee project. I’m not even able to get the basic tx/rx example to work, and wondering if anyone has any tips.

Here’s the configuration I’m using right now for the transmitting unit:

1 XBee series 1 module

1 Arduino Pro Mini

Transmitting xbee AT parameters:

ID 9123

DL FFFF (broadcast)

MY 1

BD 7 (115200 baud)

RO 0

AP 2 (API mode w/ escaped bytes)

D5 1 (tied to output LED)

D0 2 (D0 is tied to ground to send a constant value of 0)

IU 1

IT 1

IR 1

On the Arduino side, I have a wire going from analog IO 5 to ground.

I’m using the Tx example straight from the library code. The only changes I made were to push the XBee.begin() parameter up to 115200 and to use the onboard LED on pin 13 for errorLed. I have the Rx example loaded on a second Arduino+Xbee module with similar Xbee configuration.

Anyway, the problem is that the code is jumping to this section and flashing two bursts of the error LED:

} else {
      // local XBee did not provide a timely TX Status Response -- should not happen
      flashLed(errorLed, 2, 50);
}

This implies to me that the Arduino isn’t even able to talk to the Xbee for some reason, and I can’t tell if this is a correct interpretation, and am completely stuck for ideas on how to fix. The tx/rx lines are not swapped. Does anyone have any tips on configuring xbees to work with this library? Thanks.](http://forum.sparkfun.com/viewtopic.php?t=14906&highlight=xbee+arduino)