Hello all. I am having an issue with my Pironman5 setup. The CPU fan will NOT activate at any time. I can bring up the web console and see and control everything. The display functions correctly but, the CPU fan will not activate no matter how hot the unit becomes. I have tested the fan with a power supply and it does function. I have re-installed the appropriate software and drivers yet, no fan. Does anyone have any ideas as to why this is happening? Thank you.
BTW, I took my time during assembly and made SURE all was assembled correctly.
The fan doesn’t kick in until 50’C. What temperature is your cpu reaching? You can reduce the start temperature just to see if there’s any signs of life.
Does pironman think the fan is running?
cat /sys/class/thermal/cooling_device0/cur_state
To view the PWM fan’s speed:
cat /sys/devices/platform/cooling_fan/hwmon/*/fan1_input
Thank you for your reply. The CPU would reach upwards of 145 F. Quite too hot for my liking. It should run around 95 F or there about. Let me know if you’d like me to run some commands and take screen shots of said commands. Thanks!
Ouch! Thats hot!
Did you execute the commands that I mentioned above, though to be honest, there is no doubt at 145F the pironman should have them on! So it probably won’t tell us too much.
This fan is OS controlled, so sensitive to updates etc.
Search this Sunfounder forum, I know there have been various issues with this fan not working, system updates, eeprom updates etc, Hopefully someones past experience can help you.
I have a feeling that it was broken by an update. The temp will drop if I keep the case fans on constant. Guess I’ll live with that till I find a fix. You know, aside from the fan issue, I really love this case design. This is a proper Pi case! As a side note, I would suggest to Sunfounder that they should make “Pre-configured” ISO’s available for download with the high-end cases like this. Just a thought. I will re-connect the Pi and run those commands, I will reply with screen shots. Thanks again.
I tried those commands. What is cat?
I get, no such file or directory.
Cat is a linux TLA, for concatenate and type, i.e print on screen.
If you cant see this file then something has definitely gone awry as this is Sunfounders standard answer
Is there a way to fix this issue?
You’re not the only one. Maybe try these replies
1.PWM Fan Not Working
The PWM fan on the Pironman 5 is controlled by the Raspberry Pi system. The operation of the PWM fan is based on the temperature of the Raspberry Pi 5:
Below 50°C: The PWM fan remains off (0% speed).
At 50°C: The fan starts at low speed (30% speed).
At 60°C: The fan increases to medium speed (50% speed).
At 67.5°C: The fan accelerates to high speed (70% speed).
Above 75°C: The fan operates at full speed (100%).
Please refer to our tutorial: https ://docs.sunfounder.com/projects/pironman5/en/latest/advanced/fans.html#pwm-fan
If you want the PWM fan to work, enter the following commands into /boot/firmware/config.txt:
dtparam=fan_temp0=40000
dtparam=fan_temp0_hyst=10000
dtparam=fan_temp0_speed=125
Explanation:
The first command sets the high temperature limit; if you want to set the maximum temperature to 25 or 30°C, use 25000 or 30000.
The second command sets the time for the fan to stop.
The third command sets the fan speed: 0 = off, 255 = 100%.