Avalon batch 3 error

[gardv]

My Avalon batch 3 unit recently stopped hashing. The OpenWRT web interface still responds, and the following can be gleaned from the cgminer debug log:

[2013-10-11 10:32:48] AVA0: GetAvalonReset (amt=64 err=-8 ern=11)
 [2013-10-11 10:32:48] AVA0: Get avalon read got err -8
 [2013-10-11 10:32:48] AVA0 reset: get:
 [2013-10-11 10:32:48] 00000000   aa 55 aa 55 00 00 00 00  00 00 00 00 00 00 00 00 |.U.U............|
 [2013-10-11 10:32:48] 00000010   00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
 [2013-10-11 10:32:48] 00000020   00 00 00 00 00 00 00 00  00 00 00 00 41 06 d6 bf |............A...|
 [2013-10-11 10:32:48] 00000030   00 00 00 00 00 00 00 00  00 00 00 00 0a 28 cd 70 |.............(.p|


Any ideas how to remedy this? Thanks in advance.