Hola, alguien sabe porque me aparecen estos sectores en 0?

[frequency] => 1300
   [fan1] => 3840
   [fan2] => 4080
   [fan3] => 4080
   [temp1] => 31
   [temp2] => 55
   [temp3] => -1
   [temp_max] => 56
   [Device Hardware%] => 1.8309
   [no_matching_work] => 1489
   [match_work_count1] => 10575
   [match_work_count2] => 10579
   [match_work_count3] => 10519
   [match_work_count4] => 10540
   [match_work_count5] => 10330
   [match_work_count6] => 10475
   [match_work_count7] => 10391
   [match_work_count8] => 10581
   [match_work_count9] => 0  
   [match_work_count10] => 10475
   [match_work_count11] => 0
   [match_work_count12] => 10610
   [match_work_count13] => 10439
   [match_work_count14] => 10294
   [match_work_count15] => 10472
   [match_work_count16] => 10522
   [Controller Version] => 2013110865
   [Avalon Chip] => 55
   [USB Pipe] => 0
   [USB Delay] => r0 0.000000 w0 0.000000
   [USB tmo] => 877133 0
)
[STATS1] =>



Desde que me aparecen en 0, el minero trabaja unos 30ghs por debajo de lo usual, ¿Saben como arreglar esto?