Fast battery drain on Intermatic CA-9000 PIR sensor

Hi,
Using a 1.8.0-SNAPSHOT build of the Z-Wave binding from about two weeks ago, my Intermatic CA-9000 PIR motion sensor’s battery is draining very quickly. I don’t know how long this has been an issue in my setup, but grepping “NODE 2:” from a log over recent days, there are errors which may not be expected:

2015-11-22 02:22:54.916 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-22 02:23:14.557 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-22 03:24:26.406 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-22 04:24:51.095 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-22 06:26:50.923 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-22 06:26:55.931 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-22 06:27:00.107 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: Delete return routes failed with error 0x1.
2015-11-22 06:27:05.946 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-22 06:27:10.954 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-22 06:27:15.629 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: Assign return routes failed.
2015-11-24 02:48:39.717 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-24 03:49:35.012 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 1 attempts left!
2015-11-24 03:49:35.486 [WARN ] [b.z.i.p.s.SendDataMessageClass] - NODE 2: Already processed another send data request for this callback Id, ignoring.
2015-11-24 03:49:55.786 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-24 04:50:29.589 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 0 attempts left!
2015-11-24 04:50:30.084 [WARN ] [b.z.i.p.s.SendDataMessageClass] - NODE 2: Already processed another send data request for this callback Id, ignoring.
2015-11-24 05:51:57.437 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-24 06:52:24.027 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-24 06:52:29.037 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-24 06:52:32.341 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: Delete return routes failed with error 0x1.
2015-11-24 06:52:39.053 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-24 06:52:44.056 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-24 06:52:48.348 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: Assign return routes failed.
2015-11-24 09:55:13.478 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-25 00:08:25.800 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-25 02:10:16.388 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-25 02:10:35.218 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-25 04:12:05.115 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-25 04:12:40.477 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-25 04:12:45.480 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-25 04:12:49.464 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: Delete return routes failed with error 0x1.
2015-11-25 04:12:55.493 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-25 04:13:00.498 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-25 04:13:04.359 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: Assign return routes failed.
2015-11-26 02:10:55.191 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-26 03:11:49.970 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 1 attempts left!
2015-11-26 03:11:50.216 [WARN ] [b.z.i.p.s.SendDataMessageClass] - NODE 2: Already processed another send data request for this callback Id, ignoring.
2015-11-26 03:12:10.456 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-26 04:12:44.457 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 0 attempts left!
2015-11-26 04:12:44.566 [WARN ] [b.z.i.p.s.SendDataMessageClass] - NODE 2: Already processed another send data request for this callback Id, ignoring.
2015-11-26 04:13:05.764 [ERROR] [NodeNeighborUpdateMessageClass] - NODE 2: NodeNeighborUpdate FAILED
2015-11-26 05:13:38.925 [WARN ] [WaveController$ZWaveSendThread] - NODE 2: Too many retries. Discarding message: Message: class = SendData (0x13), type = Request (0x00), payload = 02 02 84 08 
2015-11-26 05:13:43.930 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-26 05:13:45.008 [WARN ] [b.z.i.p.s.SendDataMessageClass] - NODE 2: Already processed another send data request for this callback Id, ignoring.
2015-11-26 06:14:38.752 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-26 06:14:43.759 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-26 06:14:48.768 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-26 06:14:48.982 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: Delete return routes failed with error 0x1.
2015-11-26 06:14:58.783 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-26 06:15:03.791 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-26 06:15:06.577 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: Assign return routes failed.
2015-11-27 02:29:18.148 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-27 04:31:10.116 [ERROR] [WaveController$ZWaveSendThread] - NODE 2: Timeout while sending message. Requeueing - 2 attempts left!
2015-11-27 04:31:45.471 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-27 04:31:50.477 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: DeleteReturnRoute command failed.
2015-11-27 04:31:52.225 [ERROR] [.DeleteReturnRouteMessageClass] - NODE 2: Delete return routes failed with error 0x1.
2015-11-27 04:32:00.485 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-27 04:32:05.488 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: AssignReturnRoute command failed.
2015-11-27 04:32:08.892 [ERROR] [.AssignReturnRouteMessageClass] - NODE 2: Assign return routes failed.

Here is the rate of drain:

Here is how it appears in HABmin:

Any suggestions would be very welcome. Thank you!