HiveOs sets minimum fan speed to the Tahiti cards now.
I used old version of HiveOs earlier and all worked good.
HiveOs didnt affect fan speeds and RPM values were taken from bios.
But after upgrade fan speeds has been set to a minimum:

Also I have an error now:
AMD OC failed:
Detected 5 AMD cards
CORE_CLOCK = 0 0 1000 1130 0
CORE_STATE =
CORE_VDDC = 0 0 830 850 0
MEM_CLOCK = 0 0 1850 2150 0
MEM_STATE =
FAN =
REF =
=== GPU 0, 01:00.0 /sys/class/drm/card0 ===
=== GPU 1, 02:00.0 /sys/class/drm/card1 ===
=== GPU 2, 03:00.0 /sys/class/drm/card2 ===
How to resolve that?