AIR-LAP1131AG won't complete connectivity

Hi
We have 3 new AIR-LAP1131AG access points connecting to 4400 controller with software version 4.2.205.0. The access points connect to the controller and start downloading their software. After a few minutes the access points reboots and starts over. Below is information from the trap logs.
Fri Jun 12 10:48:46 2009 AP Associated. Base Radio MAC: 00:14:1b:b7:90:e0
1 Fri Jun 12 10:48:21 2009 AP Disassociated. Base Radio MAC:00:14:1b:b7:90:e0
2 Fri Jun 12 10:48:21 2009 AP's Interface:1(802.11a) Operation State Down: Base Radio MAC:00:14:1b:b7:90:e0 Cause=Heartbeat Timeout
3 Fri Jun 12 10:48:21 2009 AP's Interface:0(802.11b) Operation State Down: Base Radio MAC:00:14:1b:b7:90:e0 Cause=Heartbeat Timeout
Does anyone have an idea what could be causing this problem.

Troubleshoot a Lightweight Access Point Not Joining a Wireless LAN Controller
http://www.cisco.com/en/US/products/ps6366/products_tech_note09186a00808f8599.shtml
Using show ap join stats command to troubleshoot an AP not joining a Wireless LAN Controller
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a0080962aac.shtml

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and another one with 21 seconds
Press RETURN to get started!
*Mar 1 00:00:06.295: %CDP_PD-4-POWER_OK: Full power - AC_ADAPTOR inline power source
*Mar 1 00:00:06.302: %SYS-5-RESTART: System restarted --
Cisco IOS Software, C1130 Software (C1130-RCVK9W8-M), Version 12.3(11)JX1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Mon 17-Jul-06 11:38 by alnguyen
*Mar 1 00:00:07.236: %LINK-3-UPDOWN: Interface FastEthernet0, changed state to up
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24>
24>
24>ðXmodem file system is available.
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flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 15998976
flashfs[0]: Bytes used: 7131136
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%Error opening (connection timed out)Loading "flash:/c1130-rcvk9w8-mx/c1130-rcvk9w8-mx"...#########################################################################################################################################################################
File "flash:/c1130-rcvk9w8-mx/c1130-rcvk9w8-mx" uncompressed and installed, entry point: 0x3000
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              Restricted Rights Legend
Use, duplication, or disclosure by the Government is
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Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
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cisco AIR-LAP1131AG-E-K9   (PowerPCElvis) processor (revision A0) with 24566K/8192K bytes of memory.
Processor board ID FCZ1147Q1KT
PowerPCElvis CPU at 262Mhz, revision number 0x0950
Last reset from power-on
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32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:1D:A1:EE:97:B4
Part Number                          : 73-8962-12
PCA Assembly Number                  : 800-24818-11
PCA Revision Number                  : B0
PCB Serial Number                    : FOC11443WRR
Top Assembly Part Number             : 800-29144-02
Top Assembly Serial Number           : FCZ1147Q1KT
Top Revision Number                  : A0
Product/Model Number                 : AIR-LAP1131AG-E-K9
% Hostname contains one or more illegal characters.
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*Mar 1 00:00:06.294: %CDP_PD-4-POWER_OK: Full power - AC_ADAPTOR inline power source
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