HI
I have 2 antminer t17 and this 2 miner have 2 diffrent problem
1: first miner have hashrate but no mining and Priority Accepted Diff1# DiffA# show zero
i see in kernel log this error :

Code:

2020-02-15 15:13:54 temperature.c:1072:read_temp_func: PCB low 30, high 45. CHIP low 51, high 70
2020-02-15 15:13:54 pic.c:145:volt_clamp: failed on Chain[0], b[0] = 254, b[2] = 254!
2020-02-15 15:13:56 pic.c:145:volt_clamp: failed on Chain[0], b[0] = 254, b[2] = 254!
2020-02-15 15:13:57 temperature.c:1072:read_temp_func: PCB low 30, high 45. CHIP low 50, high 70
2020-02-15 15:13:58 pic.c:145:volt_clamp: failed on Chain[0], b[0] = 254, b[2] = 254!
2020-02-15 15:13:59 pic.c:145:volt_clamp: failed on Chain[1], b[0] = 254, b[2] = 254!
2020-02-15 15:13:59 temperature.c:1072:read_temp_func: PCB low 30, high 45. CHIP low 50, high 70
2020-02-15 15:14:01 pic.c:145:volt_clamp: failed on Chain[1], b[0] = 254, b[2] = 254!
2020-02-15 15:14:02 temperature.c:1072:read_temp_func: PCB low 30, high 45. CHIP low 50, high 70
2020-02-15 15:14:03 pic.c:145:volt_clamp: failed on Chain[1], b[0] = 254, b[2] = 254!
2020-02-15 15:14:05 temperature.c:1072:read_temp_func: PCB low 30, high 44. CHIP low 50, high 69
2020-02-15 15:14:05 pic.c:145:volt_clamp: failed on Chain[2], b[0] = 254, b[2] = 254!
2020-02-15 15:14:07 pic.c:145:volt_clamp: failed on Chain[2], b[0] = 254, b[2] = 254!
2020-02-15 15:14:07 temperature.c:1072:read_temp_func: PCB low 30, high 44. CHIP low 50, high 69
2020-02-15 15:14:08 pic.c:145:volt_clamp: failed on Chain[2], b[0] = 254, b[2] = 254!
2020-02-15 15:14:10 temperature.c:1072:read_temp_func: PCB low 30, high 44. CHIP low 50, high 69
2020-02-15 15:14:13 temperature.c:1072:read_temp_func: PCB low 29, high 44. CHIP low 50, high 69
2020-02-15 15:14:15 temperature.c:1072:read_temp_func: PCB low 29, high 44. CHIP low 50, high 69

second miner power supply all 3 fan is defective and not working
i changed all 3 fan now fan is working 12v output fan and controller board working but no have hashboard voltage and is 0.3 volt
in kernel log see this error :

Code:

2020-02-15 14:41:38 power_api.c:124:check_voltage_multi: retry time: 28
2020-02-15 14:41:40 power_api.c:86:get_average_voltage: chain[0], voltage is: 1.604238
2020-02-15 14:41:42 power_api.c:86:get_average_voltage: chain[1], voltage is: 1.530762
2020-02-15 14:41:42 power_api.c:97:get_average_voltage: aveage voltage is: 1.567500
2020-02-15 14:41:42 power_api.c:110:check_voltage: target_vol = 17.00, actural_vol = 1.57, more than 0.5v diff.
2020-02-15 14:41:43 power_api.c:124:check_voltage_multi: retry time: 29
2020-02-15 14:41:45 power_api.c:86:get_average_voltage: chain[0], voltage is: 1.475654
2020-02-15 14:41:48 power_api.c:86:get_average_voltage: chain[1], voltage is: 1.396055
2020-02-15 14:41:48 power_api.c:97:get_average_voltage: aveage voltage is: 1.435854
2020-02-15 14:41:48 power_api.c:110:check_voltage: target_vol = 17.00, actural_vol = 1.44, more than 0.5v diff.
2020-02-15 14:41:49 power_api.c:182:set_iic_power_by_voltage: now set voltage to : 17.000000
2020-02-15 14:41:49 driver-btm-api.c:200:set_miner_status: ERROR_POWER_LOST
2020-02-15 14:41:49 driver-btm-api.c:141:stop_mining: stop mining: power set failed!
2020-02-15 14:41:49 thread.c:829:cancel_read_nonce_reg_thread: cancel thread
2020-02-15 14:41:49 driver-btm-api.c:127:killall_hashboard: ****power off hashboard****

please help me for repair this problems
best regard

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