Greetings. I am looking for some insight on an older unit I've purchased.
On boot the unit will reach speeds of 11TH and slowly decline to ~7TH.
Unit: Canaan Avalon 821
As attached bellow you will notice chip #24 on hashboard #3 is not receiving any voltage.
PVT_T3[43 45 46 45 47 46 49 49 50 50 50 48 50 49 49 51 51 58 49 50 50 50 47 47 -40 46]
PVT_V3_24[0 0 0 0 0 0 0 0]
What are my options ?
CGMiner API Log:
[Firmware Version] => Avalon Firmware for avalon8 - 20191114
luci: 6a99d1e
cgminer: 48afac1
cgminer-packages: 11997c6
Reply was 'STATUS=S,When=1500207223,Code=70,Msg=CGMiner stats,Description=cgminer 4.10.0|STATS=0,ID=AV80,Elapsed=236,Calls=0,Wait=0.000000,Max=0.000000,Min=99999999.000000,MM ID1=Ver[8211712-16c14b0]
DNA[0132c496327d9a39]
Elapsed[237]
MW[79704 79761 79572 79649]
LW[318686]
MH[0 0 0 0]
HW[0]
Temp[25]
TMax[62]
Fan[4290]
FanR[54%]
Vi[1201 1201 1196 1196]
Vo[3938 3950 3941 3924]
PLL0[1717 6 6 2743]
PLL1[2166 1 4 2301]
PLL2[1715 8 4 2745]
PLL3[2738 2 4 1728]
GHSmm[6661.90]
WU[106518.20]
Freq[372.42]
PG[15]
Led[0]
PM[0]
ME[1 1 1 1]
MW0[1 5 1 2 4 1 2 2 0 2 2 0 1 1 0 3 2 2 0 0 0 1 2 3 1 1]
MW1[0 3 0 2 1 2 0 0 1 2 0 2 0 3 2 1 1 2 4 0 4 0 2 0 0 0]
MW2[1 0 2 2 1 2 4 0 2 3 4 2 2 4 0 1 2 3 3 2 1 2 2 0 2 1]
MW3[0 2 3 1 3 3 4 1 4 0 2 0 0 2 1 2 0 0 1 0 0 4 2 0 2 0]
TA[104]
ECHU[0 0 0 0]
ECMM[0]
FAC0[10]
OC[0]
SF0[0 0 0 700]
SF1[0 0 0 700]
SF2[0 0 0 700]
SF3[0 0 0 700]
PMUV[0000 0000]
PVT_T0[49 52 51 54 56 53 55 58 55 56 53 55 55 57 55 56 55 54 62 54 53 54 52 53 50 48]
PVT_T1[46 51 49 48 51 52 56 53 53 55 59 55 57 54 53 56 54 55 53 53 52 50 51 49 48 49]
PVT_T2[48 52 50 49 51 51 51 54 52 52 54 54 55 53 52 54 53 54 53 50 52 49 49 49 49 45]
PVT_T3[43 45 46 45 47 46 49 49 50 50 50 48 50 49 49 51 51 58 49 50 50 50 47 47 -40 46]
PVT_V0_0[754 754 411 412 1 903 903 745]
PVT_V0_1[755 755 348 348 1 891 691 745]
PVT_V0_2[748 748 368 368 1 899 715 739]
PVT_V0_3[752 752 401 401 1 897 712 744]
PVT_V0_4[751 751 441 441 1 904 694 741]
PVT_V0_5[755 755 358 359 1 899 679 746]
PVT_V0_6[754 753 373 373 1 903 714 745]
PVT_V0_7[752 752 433 433 1 899 714 743]
PVT_V0_8[754 754 371 371 1 895 677 744]
PVT_V0_9[752 752 348 348 1 902 706 742]
PVT_V0_10[751 752 382 383 1 899 724 741]
PVT_V0_11[749 749 367 367 1 902 703 738]
PVT_V0_12[750 750 377 377 1 897 713 741]
PVT_V0_13[752 752 419 419 1 899 701 742]
PVT_V0_14[755 755 352 352 1 900 685 747]
PVT_V0_15[752 752 352 352 1 901 718 742]
PVT_V0_16[755 755 370 371 1 896 723 745]
PVT_V0_17[752 752 363 363 1 895 703 742]
PVT_V0_18[745 745 547 547 1 901 710 736]
PVT_V0_19[757 757 354 354 1 902 624 746]
PVT_V0_20[751 751 354 354 1 895 718 742]
PVT_V0_21[754 754 375 375 1 895 714 744]
PVT_V0_22[757 757 362 362 1 896 706 746]
PVT_V0_23[749 749 359 359 1 894 710 741]
PVT_V0_24[757 757 364 363 1 900 714 747]
PVT_V0_25[756 757 366 367 1 897 715 747]
PVT_V1_0[755 755 362 362 1 904 899 746]
PVT_V1_1[753 753 467 467 1 897 722 742]
PVT_V1_2[753 753 360 361 1 900 661 743]
PVT_V1_3[752 752 357 357 1 897 715 741]
PVT_V1_4[756 756 394 394 0 895 715 747]
PVT_V1_5[755 755 379 379 0 893 692 744]
PVT_V1_6[755 755 466 466 1 891 701 746]
PVT_V1_7[749 749 352 352 1 897 656 741]
PVT_V1_8[752 752 372 372 1 893 716 743]
PVT_V1_9[752 752 371 371 1 892 702 743]
PVT_V1_10[746 746 511 511 1 895 703 737]
PVT_V1_11[752 752 378 378 1 893 635 741]
PVT_V1_12[754 754 476 476 1 894 700 745]
PVT_V1_13[753 753 363 363 1 894 649 744]
PVT_V1_14[749 749 347 347 1 898 708 741]
PVT_V1_15[752 751 405 405 1 900 721 742]
PVT_V1_16[751 751 399 399 1 896 693 742]
PVT_V1_17[748 748 372 373 1 896 693 739]
PVT_V1_18[751 751 363 363 1 895 708 741]
PVT_V1_19[757 757 357 357 1 905 710 747]
PVT_V1_20[753 753 357 355 1 898 723 744]
PVT_V1_21[752 752 358 360 1 896 716 745]
PVT_V1_22[758 758 367 367 1 896 716 748]
PVT_V1_23[756 756 360 360 1 894 708 747]
PVT_V1_24[752 751 375 375 1 901 711 742]
PVT_V1_25[746 746 360 359 1 899 711 736]
PVT_V2_0[750 750 410 410 1 909 902 741]
PVT_V2_1[750 750 448 448 1 902 700 741]
PVT_V2_2[752 751 399 399 1 900 675 742]
PVT_V2_3[758 758 361 361 1 900 697 748]
PVT_V2_4[755 754 389 389 1 902 719 744]
PVT_V2_5[753 753 377 377 1 898 704 743]
PVT_V2_6[757 757 403 403 1 903 703 746]
PVT_V2_7[756 756 426 426 1 901 699 747]
PVT_V2_8[746 746 360 360 1 899 682 737]
PVT_V2_9[753 753 359 359 1 893 714 744]
PVT_V2_10[757 757 369 369 1 901 711 746]
PVT_V2_11[753 753 385 385 1 904 710 744]
PVT_V2_12[750 750 442 442 1 903 707 740]
PVT_V2_13[754 754 368 368 1 899 675 745]
PVT_V2_14[757 757 366 366 1 907 711 745]
PVT_V2_15[754 754 371 370 1 896 719 745]
PVT_V2_16[755 755 375 375 1 902 706 744]
PVT_V2_17[755 755 368 368 1 895 710 745]
PVT_V2_18[756 756 429 429 1 905 708 747]
PVT_V2_19[759 760 352 352 0 898 686 750]
PVT_V2_20[753 753 361 361 1 901 718 744]
PVT_V2_21[754 754 363 363 1 897 717 744]
PVT_V2_22[758 758 378 378 1 902 713 748]
PVT_V2_23[753 753 377 377 1 901 710 743]
PVT_V2_24[754 754 399 399 1 899 711 743]
PVT_V2_25[748 748 366 366 1 907 696 737]
PVT_V3_0[755 755 363 364 1 902 907 745]
PVT_V3_1[757 757 383 384 1 900 719 747]
PVT_V3_2[750 750 359 360 1 900 706 740]
PVT_V3_3[758 758 359 360 1 897 718 746]
PVT_V3_4[751 751 359 360 1 894 712 741]
PVT_V3_5[752 752 356 357 1 893 713 742]
PVT_V3_6[753 753 362 363 1 892 713 744]
PVT_V3_7[752 752 355 356 1 898 707 741]
PVT_V3_8[751 751 358 359 1 896 714 741]
PVT_V3_9[753 753 377 377 1 892 713 743]
PVT_V3_10[748 748 357 357 1 897 700 739]
PVT_V3_11[750 750 357 357 1 900 715 741]
PVT_V3_12[753 753 463 463 1 892 718 744]
PVT_V3_13[751 751 353 353 1 903 658 740]
PVT_V3_14[750 750 354 355 1 895 722 741]
PVT_V3_15[750 750 434 434 1 897 714 741]
PVT_V3_16[754 754 362 362 1 895 679 744]
PVT_V3_17[755 755 820 816 1 893 711 746]
PVT_V3_18[754 754 349 349 1 898 481 745]
PVT_V3_19[751 751 369 369 1 898 722 741]
PVT_V3_20[756 756 395 395 1 896 712 747]
PVT_V3_21[748 749 372 372 1 887 694 739]
PVT_V3_22[754 755 362 363 1 899 699 745]
PVT_V3_23[750 750 357 357 1 896 715 741]
PVT_V3_24[0 0 0 0 0 0 0 0]
PVT_V3_25[753 753 362 362 1 899 710 743]
CINFO00[0000000000000000000000000000000000000000000000000000]
CINFO01[0000000000000000000000000000000000000000000000000000]
CINFO02[0000000000000000000000000000000000000000000000000000]
CINFO03[0000000000000000000000000000000000000000000000000000]
FM[1]
CRC[0 0 0 0],MM Count=1,Smart Speed=1,Connecter=AUC,AUC VER=AUC-20151208,AUC I2C Speed=400000,AUC I2C XDelay=19200,AUC Sensor=16129,AUC Temperature=26.15,Connection Overloaded=false,Voltage Level Offset=-1,Nonce Mask=24,USB Pipe=0,USB Delay=r0 0.000000 w0 0.000000,USB tmo=0 0|STATS=1,ID=POOL0,Elapsed=236,Calls=0,Wait=0.000000,Max=0.000000,Min=99999999.000000,Pool Calls=0,Pool Attempts=0,Pool Wait=0.000000,Pool Max=0.000000,Pool Min=99999999.000000,Pool Av=0.000000,Work Had Roll Time=false,Work Can Roll=false,Work Had Expire=false,Work Roll Time=0,Work Diff=32768.00000000,Min Diff=32768.00000000,Max Diff=65536.00000000,Min Diff Count=117,Max Diff Count=163,Times Sent=8,Bytes Sent=852,Times Recv=19,Bytes Recv=11801,Net Bytes Sent=852,Net Bytes Recv=11801|'
[STATUS] =>
(
[STATUS] => S
[When] => 1500207223
(Code) => 70
[Msg] => CGMiner stats
[Description] => cgminer 4.10.0
)
[STATS0] =>
(
[STATS] => 0
[ID] => AV80
[Elapsed] => 236
[Calls] => 0
[Wait] => 0.000000
[Max] => 0.000000
[Min] => 99999999.000000
[MM ID1] => Ver[8211712-16c14b0]
DNA[0132c496327d9a39]
Elapsed[237]
MW[79704 79761 79572 79649]
LW[318686]
MH[0 0 0 0]
HW[0]
Temp[25]
TMax[62]
Fan[4290]
FanR[54%]
Vi[1201 1201 1196 1196]
Vo[3938 3950 3941 3924]
PLL0[1717 6 6 2743]
PLL1[2166 1 4 2301]
PLL2[1715 8 4 2745]
PLL3[2738 2 4 1728]
GHSmm[6661.90]
WU[106518.20]
Freq[372.42]
PG[15]
Led[0]
PM[0]
ME[1 1 1 1]
MW0[1 5 1 2 4 1 2 2 0 2 2 0 1 1 0 3 2 2 0 0 0 1 2 3 1 1]
MW1[0 3 0 2 1 2 0 0 1 2 0 2 0 3 2 1 1 2 4 0 4 0 2 0 0 0]
MW2[1 0 2 2 1 2 4 0 2 3 4 2 2 4 0 1 2 3 3 2 1 2 2 0 2 1]
MW3[0 2 3 1 3 3 4 1 4 0 2 0 0 2 1 2 0 0 1 0 0 4 2 0 2 0]
TA[104]
ECHU[0 0 0 0]
ECMM[0]
FAC0[10]
OC[0]
SF0[0 0 0 700]
SF1[0 0 0 700]
SF2[0 0 0 700]
SF3[0 0 0 700]
PMUV[0000 0000]
PVT_T0[49 52 51 54 56 53 55 58 55 56 53 55 55 57 55 56 55 54 62 54 53 54 52 53 50 48]
PVT_T1[46 51 49 48 51 52 56 53 53 55 59 55 57 54 53 56 54 55 53 53 52 50 51 49 48 49]
PVT_T2[48 52 50 49 51 51 51 54 52 52 54 54 55 53 52 54 53 54 53 50 52 49 49 49 49 45]
PVT_T3[43 45 46 45 47 46 49 49 50 50 50 48 50 49 49 51 51 58 49 50 50 50 47 47 -40 46]
PVT_V0_0[754 754 411 412 1 903 903 745]
PVT_V0_1[755 755 348 348 1 891 691 745]
PVT_V0_2[748 748 368 368 1 899 715 739]
PVT_V0_3[752 752 401 401 1 897 712 744]
PVT_V0_4[751 751 441 441 1 904 694 741]
PVT_V0_5[755 755 358 359 1 899 679 746]
PVT_V0_6[754 753 373 373 1 903 714 745]
PVT_V0_7[752 752 433 433 1 899 714 743]
PVT_V0_8[754 754 371 371 1 895 677 744]
PVT_V0_9[752 752 348 348 1 902 706 742]
PVT_V0_10[751 752 382 383 1 899 724 741]
PVT_V0_11[749 749 367 367 1 902 703 738]
PVT_V0_12[750 750 377 377 1 897 713 741]
PVT_V0_13[752 752 419 419 1 899 701 742]
PVT_V0_14[755 755 352 352 1 900 685 747]
PVT_V0_15[752 752 352 352 1 901 718 742]
PVT_V0_16[755 755 370 371 1 896 723 745]
PVT_V0_17[752 752 363 363 1 895 703 742]
PVT_V0_18[745 745 547 547 1 901 710 736]
PVT_V0_19[757 757 354 354 1 902 624 746]
PVT_V0_20[751 751 354 354 1 895 718 742]
PVT_V0_21[754 754 375 375 1 895 714 744]
PVT_V0_22[757 757 362 362 1 896 706 746]
PVT_V0_23[749 749 359 359 1 894 710 741]
PVT_V0_24[757 757 364 363 1 900 714 747]
PVT_V0_25[756 757 366 367 1 897 715 747]
PVT_V1_0[755 755 362 362 1 904 899 746]
PVT_V1_1[753 753 467 467 1 897 722 742]
PVT_V1_2[753 753 360 361 1 900 661 743]
PVT_V1_3[752 752 357 357 1 897 715 741]
PVT_V1_4[756 756 394 394 0 895 715 747]
PVT_V1_5[755 755 379 379 0 893 692 744]
PVT_V1_6[755 755 466 466 1 891 701 746]
PVT_V1_7[749 749 352 352 1 897 656 741]
PVT_V1_8[752 752 372 372 1 893 716 743]
PVT_V1_9[752 752 371 371 1 892 702 743]
PVT_V1_10[746 746 511 511 1 895 703 737]
PVT_V1_11[752 752 378 378 1 893 635 741]
PVT_V1_12[754 754 476 476 1 894 700 745]
PVT_V1_13[753 753 363 363 1 894 649 744]
PVT_V1_14[749 749 347 347 1 898 708 741]
PVT_V1_15[752 751 405 405 1 900 721 742]
PVT_V1_16[751 751 399 399 1 896 693 742]
PVT_V1_17[748 748 372 373 1 896 693 739]
PVT_V1_18[751 751 363 363 1 895 708 741]
PVT_V1_19[757 757 357 357 1 905 710 747]
PVT_V1_20[753 753 357 355 1 898 723 744]
PVT_V1_21[752 752 358 360 1 896 716 745]
PVT_V1_22[758 758 367 367 1 896 716 748]
PVT_V1_23[756 756 360 360 1 894 708 747]
PVT_V1_24[752 751 375 375 1 901 711 742]
PVT_V1_25[746 746 360 359 1 899 711 736]
PVT_V2_0[750 750 410 410 1 909 902 741]
PVT_V2_1[750 750 448 448 1 902 700 741]
PVT_V2_2[752 751 399 399 1 900 675 742]
PVT_V2_3[758 758 361 361 1 900 697 748]
PVT_V2_4[755 754 389 389 1 902 719 744]
PVT_V2_5[753 753 377 377 1 898 704 743]
PVT_V2_6[757 757 403 403 1 903 703 746]
PVT_V2_7[756 756 426 426 1 901 699 747]
PVT_V2_8[746 746 360 360 1 899 682 737]
PVT_V2_9[753 753 359 359 1 893 714 744]
PVT_V2_10[757 757 369 369 1 901 711 746]
PVT_V2_11[753 753 385 385 1 904 710 744]
PVT_V2_12[750 750 442 442 1 903 707 740]
PVT_V2_13[754 754 368 368 1 899 675 745]
PVT_V2_14[757 757 366 366 1 907 711 745]
PVT_V2_15[754 754 371 370 1 896 719 745]
PVT_V2_16[755 755 375 375 1 902 706 744]
PVT_V2_17[755 755 368 368 1 895 710 745]
PVT_V2_18[756 756 429 429 1 905 708 747]
PVT_V2_19[759 760 352 352 0 898 686 750]
PVT_V2_20[753 753 361 361 1 901 718 744]
PVT_V2_21[754 754 363 363 1 897 717 744]
PVT_V2_22[758 758 378 378 1 902 713 748]
PVT_V2_23[753 753 377 377 1 901 710 743]
PVT_V2_24[754 754 399 399 1 899 711 743]
PVT_V2_25[748 748 366 366 1 907 696 737]
PVT_V3_0[755 755 363 364 1 902 907 745]
PVT_V3_1[757 757 383 384 1 900 719 747]
PVT_V3_2[750 750 359 360 1 900 706 740]
PVT_V3_3[758 758 359 360 1 897 718 746]
PVT_V3_4[751 751 359 360 1 894 712 741]
PVT_V3_5[752 752 356 357 1 893 713 742]
PVT_V3_6[753 753 362 363 1 892 713 744]
PVT_V3_7[752 752 355 356 1 898 707 741]
PVT_V3_8[751 751 358 359 1 896 714 741]
PVT_V3_9[753 753 377 377 1 892 713 743]
PVT_V3_10[748 748 357 357 1 897 700 739]
PVT_V3_11[750 750 357 357 1 900 715 741]
PVT_V3_12[753 753 463 463 1 892 718 744]
PVT_V3_13[751 751 353 353 1 903 658 740]
PVT_V3_14[750 750 354 355 1 895 722 741]
PVT_V3_15[750 750 434 434 1 897 714 741]
PVT_V3_16[754 754 362 362 1 895 679 744]
PVT_V3_17[755 755 820 816 1 893 711 746]
PVT_V3_18[754 754 349 349 1 898 481 745]
PVT_V3_19[751 751 369 369 1 898 722 741]
PVT_V3_20[756 756 395 395 1 896 712 747]
PVT_V3_21[748 749 372 372 1 887 694 739]
PVT_V3_22[754 755 362 363 1 899 699 745]
PVT_V3_23[750 750 357 357 1 896 715 741]
PVT_V3_24[0 0 0 0 0 0 0 0]
PVT_V3_25[753 753 362 362 1 899 710 743]
CINFO00[0000000000000000000000000000000000000000000000000000]
CINFO01[0000000000000000000000000000000000000000000000000000]
CINFO02[0000000000000000000000000000000000000000000000000000]
CINFO03[0000000000000000000000000000000000000000000000000000]
FM[1]
CRC[0 0 0 0]
[MM Count] => 1
[Smart Speed] => 1
[Connecter] => AUC
[AUC VER] => AUC-20151208
[AUC I2C Speed] => 400000
[AUC I2C XDelay] => 19200
[AUC Sensor] => 16129
[AUC Temperature] => 26.15
[Connection Overloaded] => false
[Voltage Level Offset] => -1
[Nonce Mask] => 24
[USB Pipe] => 0
[USB Delay] => r0 0.000000 w0 0.000000
[USB tmo] => 0 0
)
[STATS1] =>
(
[STATS] => 1
[ID] => POOL0
[Elapsed] => 236
[Calls] => 0
[Wait] => 0.000000
[Max] => 0.000000
[Min] => 99999999.000000
[Pool Calls] => 0
[Pool Attempts] => 0
[Pool Wait] => 0.000000
[Pool Max] => 0.000000
[Pool Min] => 99999999.000000
[Pool Av] => 0.000000
[Work Had Roll Time] => false
[Work Can Roll] => false
[Work Had Expire] => false
[Work Roll Time] => 0
[Work Diff] => 32768.00000000
[Min Diff] => 32768.00000000
[Max Diff] => 65536.00000000
[Min Diff Count] => 117
[Max Diff Count] => 163
[Times Sent] => 8
[Bytes Sent] => 852
[Times Recv] => 19
[Bytes Recv] => 11801
[Net Bytes Sent] => 852
[Net Bytes Recv] => 11801
