I am seeing similar.
The fan seems to be running at full speed, despite no load and the temp is nice and low.
Have you managed to sort this on your system?
Adapter: PCI adapter
temp1: +37.0°C (high = +70.0°C)
(crit = +99.5°C, hyst = +97.5°C)
Adapter: ACPI interface
Vcore Voltage: +0.93 V (min = +0.85 V, max = +1.60 V)
+3.3 Voltage: +3.26 V (min = +2.97 V, max = +3.63 V)
+5 Voltage: +4.86 V (min = +4.50 V, max = +5.50 V)
+12 Voltage: +11.86 V (min = +10.20 V, max = +13.80 V)
CPU FAN Speed: 3183 RPM (min = 600 RPM)
CHASSIS FAN Speed: 1002 RPM (min = 600 RPM)
POWER FAN Speed: 0 RPM (min = 600 RPM)
CPU Temperature: +37.0°C (high = +60.0°C, crit = +95.0°C)
MB Temperature: +27.0°C (high = +45.0°C, crit = +75.0°C)