r4 散热风扇不转

〖香蕉派BPI-R4/BPI-R3 Mini/BPI-R3/BPI-R64/BPI-R2 路由器〗
1

r4 散热风扇不转，该如何解决，openwrt系统

2

检查接线，接线没问题的话把速度控制线剪了

3

风扇的控件脚本更新一下
if [ -d /sys/devices/pwm-fan ]; then
FAN_CTRL=/sys/devices/pwm-fan/hwmon/hwmon0/pwm1
elif [ -d /sys/devices/platform/pwm-fan ]; then
FAN_CTRL=/sys/devices/platform/pwm-fan/hwmon/hwmon0/pwm1
else
exit 0
fi