Thank you - here is the log, along with sequence of events (lights should go on every time).
1. opened door 1st time - lights on
2. opened door 2nd time - lights did not go on
3. opened door 3rd time - lights on
4. opened door 4th time - lights did not go on
Thu 11/22/2012 11:16:30 AM : [ELK 0 17 0] Zone : 2nd Flr Motion : Violated (51/2/0)
Thu 11/22/2012 11:16:30 AM : [ELK 0 17 0] Zone : 2nd Flr Motion : Open (52/1/0)
Thu 11/22/2012 11:16:30 AM : [ELK 1 0 0] Area : The Goldstein's : Not Ready To Arm (2/0/0)
Thu 11/22/2012 11:16:35 AM : [ELK 0 17 0] Zone : 2nd Flr Motion : Normal (51/0/0)
Thu 11/22/2012 11:16:35 AM : [ELK 0 17 0] Zone : 2nd Flr Motion : EOL (52/2/0)
Thu 11/22/2012 11:16:35 AM : [ELK 1 0 0] Area : The Goldstein's : Ready To Arm (2/1/0)
Thu 11/22/2012 11:16:36 AM : [ELK 0 1 0] Zone : Front Door : Violated (51/2/0)
Thu 11/22/2012 11:16:36 AM : [iNST-TX-I1 ] 02 62 1D 50 B5 0F 12 00
Thu 11/22/2012 11:16:36 AM : [ Time] 11:16:40 0(0)
Thu 11/22/2012 11:16:36 AM : [iNST-ACK ] 02 62 1D.50.B5 0F 12 00 06 LTON-F (00)
Thu 11/22/2012 11:16:36 AM : [ELK 0 1 0] Zone : Front Door : Open (52/1/0)
Thu 11/22/2012 11:16:36 AM : [ELK 1 0 0] Area : The Goldstein's : Not Ready To Arm (2/0/0)
Thu 11/22/2012 11:16:37 AM : [iNST-SRX ] 02 50 1D.50.B5 0F.9D.50 2B 12 00 LTON-F (00)
Thu 11/22/2012 11:16:37 AM : [standard-Direct Ack][1D.50.B5-->ISY/PLM Group=0] Max Hops=3, Hops Left=2
Thu 11/22/2012 11:16:37 AM : [ 1D 50 B5 1] ST 255
Thu 11/22/2012 11:16:40 AM : [ELK 1 0 0] Area : The Goldstein's : Ready To Arm (2/1/0)
Thu 11/22/2012 11:16:40 AM : [ELK 0 1 0] Zone : Front Door : Normal (51/0/0)
Thu 11/22/2012 11:16:40 AM : [ELK 0 1 0] Zone : Front Door : EOL (52/2/0)
Thu 11/22/2012 11:16:44 AM : [ELK 0 1 0] Zone : Front Door : Violated (51/2/0)
Thu 11/22/2012 11:16:44 AM : [iNST-TX-I1 ] 02 62 1D 50 B5 0F 12 00
Thu 11/22/2012 11:16:44 AM : [ Time] 11:16:47 0(0)
Thu 11/22/2012 11:16:44 AM : [iNST-ACK ] 02 62 1D.50.B5 0F 12 00 06 LTON-F (00)
Thu 11/22/2012 11:16:44 AM : [ELK 0 1 0] Zone : Front Door : Open (52/1/0)
Thu 11/22/2012 11:16:44 AM : [ELK 1 0 0] Area : The Goldstein's : Not Ready To Arm (2/0/0)
Thu 11/22/2012 11:16:45 AM : [iNST-SRX ] 02 50 1D.50.B5 0F.9D.50 2B 12 00 LTON-F (00)
Thu 11/22/2012 11:16:45 AM : [standard-Direct Ack][1D.50.B5-->ISY/PLM Group=0] Max Hops=3, Hops Left=2
Thu 11/22/2012 11:16:48 AM : [ELK 0 1 0] Zone : Front Door : Normal (51/0/0)
Thu 11/22/2012 11:16:48 AM : [ELK 0 1 0] Zone : Front Door : EOL (52/2/0)
Thu 11/22/2012 11:16:48 AM : [ELK 1 0 0] Area : The Goldstein's : Ready To Arm (2/1/0)
Thu 11/22/2012 11:16:50 AM : [ELK 0 1 0] Zone : Front Door : Violated (51/2/0)
Thu 11/22/2012 11:16:50 AM : [iNST-TX-I1 ] 02 62 1D 50 B5 0F 12 00
Thu 11/22/2012 11:16:50 AM : [ Time] 11:16:53 0(0)
Thu 11/22/2012 11:16:50 AM : [iNST-ACK ] 02 62 1D.50.B5 0F 12 00 06 LTON-F (00)
Thu 11/22/2012 11:16:50 AM : [ELK 0 1 0] Zone : Front Door : Open (52/1/0)
Thu 11/22/2012 11:16:50 AM : [ELK 1 0 0] Area : The Goldstein's : Not Ready To Arm (2/0/0)
Thu 11/22/2012 11:16:50 AM : [iNST-SRX ] 02 50 1D.50.B5 0F.9D.50 2B 12 00 LTON-F (00)
Thu 11/22/2012 11:16:50 AM : [standard-Direct Ack][1D.50.B5-->ISY/PLM Group=0] Max Hops=3, Hops Left=2
Thu 11/22/2012 11:16:52 AM : [ELK 0 1 0] Zone : Front Door : Normal (51/0/0)
Thu 11/22/2012 11:16:52 AM : [ELK 0 1 0] Zone : Front Door : EOL (52/2/0)
Thu 11/22/2012 11:16:53 AM : [ELK 1 0 0] Area : The Goldstein's : Ready To Arm (2/1/0)
Thu 11/22/2012 11:16:55 AM : [ELK 0 1 0] Zone : Front Door : Violated (51/2/0)
Thu 11/22/2012 11:16:55 AM : [iNST-TX-I1 ] 02 62 1D 50 B5 0F 12 00
Thu 11/22/2012 11:16:55 AM : [ Time] 11:16:59 0(0)
Thu 11/22/2012 11:16:55 AM : [iNST-ACK ] 02 62 1D.50.B5 0F 12 00 06 LTON-F (00)
Thu 11/22/2012 11:16:55 AM : [ELK 0 1 0] Zone : Front Door : Open (52/1/0)
Thu 11/22/2012 11:16:55 AM : [ELK 1 0 0] Area : The Goldstein's : Not Ready To Arm (2/0/0)
Thu 11/22/2012 11:16:58 AM : [ELK 1 0 0] Area : The Goldstein's : Ready To Arm (2/1/0)
Thu 11/22/2012 11:16:58 AM : [ELK 0 1 0] Zone : Front Door : Normal (51/0/0)
Thu 11/22/2012 11:16:58 AM : [ELK 0 1 0] Zone : Front Door : EOL (52/2/0)
Thu 11/22/2012 11:16:59 AM : [ 1D 50 B5 1] ERR 1