Solution
1. Download the latest FMS software from Canaan website.
2. press Aging button on the software to reset voltage and frequency parameters of the machine.
*** Notes are a guide for people with problems like me. ***
https://www.img.in.th/image/QZM8XS
I tried to follow your instructions, the speed went up to 81T and then decreased to 65T
Below is the log:
{'STATUS':[{'STATUS':'S','When':0,'Code':11,'Msg':'Summary','Description':'cgminer 4.11.1'}],'SUMMARY':[{'Elapsed':4346,'MHS av':64779650.40,'MHS 30s':69775036.68,'MHS 1m':66959462.56,'MHS 5m':65568401.12,'MHS 15m':64927880.16,'Found Blocks':0,'Getworks':200,'Accepted':326,'Rejected':0,'Hardware Errors':167,'Utility':4.50,'Discarded':13139332,'Stale':0,'Get Failures':0,'Local Work':64389,'Remote Failures':0,'Network Blocks':7,'Total MH':281677286139.0000,'Work Utility':905491.16,'Difficulty Accepted':57966592.00000000,'Difficulty Rejected':0.00000000,'Difficulty Stale':0.00000000,'Best Share':1247103436,'Device Hardware%':0.0003,'Device Rejected%':0.0000,'Pool Rejected%':0.0000,'Pool Stale%':0.0000,'Last getwork':0}
{'STATUS':[{'STATUS':'S','When':0,'Code':70,'Msg':'CGMiner stats','Description':'cgminer 4.11.1'}],'STATS':[{'STATS':0,'ID':'AVA100','Elapsed':4346,'Calls':0,'Wait':0.000000,'Max':0.000000,'Min':99999999.000000,'MM ID0':'Ver[1166Pro-81-21072802_4ec6bb0_211fc46] DNA[02010000671ceff0] MEMFREE[1213480.0] NETFAIL[0 0 0 0 0 0 0 0] SYSTEMSTATU[Work: In Work, Hash Board: 3 ] Elapsed[4346] BOOTBY[0x04.00000000] LW[4312900] MH[67 34 66] HW[167] DH[2.273%] Temp[25] TMax[73] TAvg[64] Fan1[2506] Fan2[2506] Fan3[2484] Fan4[2490] FanR[36%] Vo[316] PS[0 1191 1265 190 2407 1268 2607] PLL0[2555 1047 1492 8826] PLL1[1702 94 256 11868] PLL2[2993 701 1360 8866] GHSspd[65655.37] DHspd[2.273%] GHSmm[67307.34] GHSavg[64799.82] WU[905243.04] Freq[402.94] Led[0] MGHS[21022.56 22194.19 21583.08] MTmax[73 73 73] MTavg[64 65 64] TA[360] Core[A3201] PING[86] POWS[0] HASHS[0 0 0] POOLS[0] SoftOFF[0] ECHU[0 0 0] ECMM[0] SF0[358 378 398 416] SF1[358 378 398 416] SF2[358 378 398 416] PVT_T0[ 65 65 66 68 66 64 71 70 71 67 68 65 66 67 68 69 68 67 68 71 70 70 72 67 70 72 69 72 69 67 67 69 72 71 68 67 67 69 73 70 70 69 66 69 70 67 69 67 65 64 66 66 62 64 59 66 64 61 63 63 60 61 60 59 57 58 57 63 61 60 63 64 60 59 64 61 61 66 65 62 64 62 61 64 63 64 63 64 61 61 65 61 60 62 63 66 63 61 63 63 63 64 64 62 63 63 65 65 60 62 61 63 63 64 64 65 62 62 64 62] PVT_T1[ 65 66 66 67 68 66 64 71 70 71 69 68 66 70 69 69 68 68 67 69 71 71 69 69 67 71 73 72 69 67 65 69 70 73 72 69 68 71 71 72 70 65 68 70 68 70 69 65 63 67 66 69 64 64 61 67 65 64 64 63 61 58 59 62 62 61 61 64 61 60 61 65 64 64 64 63 64 65 64 64 62 64 67 66 63 63 65 65 66 68 65 64 63 62 62 66 66 63 67 62 65 63 66 64 62 64 65 66 64 61 64 65 63 63 65 63 62 62 65 65] PVT_T2[ 66 65 65 67 68 64 65 67 68 70 70 69 65 67 70 70 73 65 65 69 70 73 69 69 67 69 73 70 69 65 66 70 67 69 70 64 65 69 70 69 70 67 62 69 65 67 64 65 61 65 62 61 60 62 60 60 62 59 60 59 57 61 59 57 59 59 60 61 58 59 61 61 60 63 61 63 59 62 64 63 62 62 62 65 64 64 62 61 64 63 62 64 63 64 62 63 64 62 63 62 63 64 63 64 65 62 62 64 62 61 62 63 64 61 64 62 59 62 64 64] PVT_V0[290 291 294 297 292 292 300 302 306 292 297 293 286 288 285 301 301 300 291 293 294 293 295 303 293 297 299 291 291 290 294 302 301 294 298 303 290 293 298 306 306 303 289 289 291 301 302 302 301 295 295 298 299 299 306 299 298 308 301 303 311 305 302 306 304 300 303 299 304 295 302 297 301 302 306 303 307 309 295 299 299 306 297 302 291 291 292 302 302 297 299 295 295 295 290 289 306 308 307 291 290 291 295 297 302 301 302 305 295 301 299 299 295 292 299 302 295 297 295 302] PVT_V1[304 304 309 295 297 295 298 297 294 302 298 295 299 301 301 301 298 299 301 299 298 295 295 296 294 296 304 291 295 295 287 290 287 290 290 289 292 294 290 292 287 289 293 287 287 302 305 300 293 295 294 300 298 303 303 303 305 294 297 304 299 295 298 305 310 310 295 302 297 306 302 302 296 301 295 293 289 292 302 302 303 298 294 294 299 298 296 307 303 305 302 303 301 300 297 296 295 297 294 294 292 297 297 295 293 302 304 299 293 297 297 309 307 311 302 302 297 310 305 307] PVT_V2[297 303 306 297 294 298 297 295 289 302 292 292 296 293 291 304 300 303 293 299 295 298 295 294 293 292 292 297 293 294 294 301 303 287 292 294 303 306 306 291 292 296 301 303 306 294 297 298 298 299 299 307 305 302 298 297 292 303 307 308 304 302 302 298 304 306 301 302 307 291 294 297 301 301 300 293 295 293 295 296 294 303 305 303 302 301 309 294 294 294 300 302 298 297 297 295 293 293 293 287 291 293 301 297 297 299 296 293 302 307 309 295 301 305 299 299 297 302 302 301] MW[1439576 1439606 1439642] MW0[78 81 83 81 90 100 80 89 92 84 97 84 94 96 99 83 76 84 84 82 92 81 94 86 90 108 98 95 78 88 89 70 84 95 106 96 92 71 87 85 89 83 93 74 79 98 59 90 86 74 86 85 70 93 84 88 91 89 88 88 91 85 96 67 70 85 60 70 95 72 77 96 92 76 76 101 70 106 79 71 87 89 93 81 104 111 99 91 84 74 74 97 94 85 90 95 89 89 108 89 95 117 92 83 87 77 81 103 78 103 63 59 93 88 73 85 83 92 87 85] MW1[100 82 90 104 101 86 90 85 99 97 102 104 86 46 97 98 84 99 92 87 77 89 93 87 89 87 86 97 107 89 83 53 97 89 93 74 90 87 107 83 108 89 93 98 97 92 96 108 94 85 99 117 76 95 107 95 80 104 86 90 98 80 82 104 100 105 94 105 100 86 74 96 96 102 103 85 99 88 85 80 98 102 100 90 114 92 77 80 100 87 79 104 60 98 95 95 70 100 94 97 93 98 95 62 93 103 90 74 84 90 93 83 89 85 84 94 93 92 83 101] MW2[88 74 98 92 86 100 88 91 63 108 80 89 86 94 97 87 123 102 109 100 97 93 85 74 95 84 68 95 75 96 74 80 84 44 97 91 69 88 96 102 83 74 98 82 104 72 101 87 105 99 92 89 109 76 107 88 99 83 104 103 102 93 65 94 88 87 98 79 90 96 109 60 62 102 98 80 82 83 95 87 80 95 74 80 104 87 92 88 86 99 104 79 88 81 111 98 68 97 87 92 81 85 86 89 91 98 91 61 95 82 82 85 89 83 100 83 87 98 75 88] ASICCRC0[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ASICCRC1[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ASICCRC2[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] CRC[0 0 0] POW_I2C[OK] FACOPTS0[] FACOPTS1[] ATAOPTS0[--avalon10-freq 358:378:398:416 --avalon10-voltage-level 42 ] ATAOPTS1[--avalon10-freq 448:468:488:508 --avalon10-voltage-level 58 ] ADJ[1] COP[0 0 0] MPO[3200] MVL[87] ATABD0[448 468 488 508] ATABD1[448 468 488 508] ATABD2[448 468 488 508] WORKMODE[0]','MM Count':1,'Smart Speed':1,'Voltage Level Offset':0,'Nonce Mask':25}
[moderator's note: consecutive posts merged]