S17+ Disabling faulty sensor

[2020/06/30 09:17:37] INFO: Start-up temperature is 28 C (min -15 C)
[2020/06/30 09:17:37] INFO: Switching to manual fan control (100 %)
[2020/06/30 09:17:37] INFO: Changing voltage from 21000 to 20300 mV gradually
[2020/06/30 09:18:06] INFO: Raising freq from 50 to 550 Mhz gradually
[2020/06/30 09:18:18] WARN: Target temp 70 C is too high
[2020/06/30 09:18:18] WARN: Overriding target temp to 65 C
[2020/06/30 09:18:18] INFO: Switching to automatic fan control (65 C)
[2020/06/30 09:18:18] INFO: Start mining!
[2020/06/30 09:18:24] ERROR: src/temp.c:172 chain[2] sen[0] - Disabling faulty sensor, pcb=33 chip=-64
[2020/06/30 09:18:57] INFO: Detected 256 Mb of RAM
[2020/06/30 09:18:57] INFO: Switching to manual fan control (30 %)
[2020/06/30 09:18:57] INFO: Checking fans
[2020/06/30 09:18:57] INFO: fan[0] - OK
[2020/06/30 09:18:57] INFO: fan[1] - OK
[2020/06/30 09:18:57] INFO: fan[2] - OK
[2020/06/30 09:18:57] INFO: fan[3] - OK
[2020/06/30 09:19:03] INFO: Power ON
[2020/06/30 09:19:05] INFO: Starting FPGA queue
[2020/06/30 09:19:05] INFO: Initializing hash boards