My AC70 works perfectly, but I use it as a UPS, so the constant fan noise is a bit disturbing.
I thought I would replace it with a quieter, also 12V and 4-pin PWM Noctua fan.
Of course, the same connectors, etc.
At startup, they start fine like the originals, but after ~5 seconds it stops with error code E016 (FAN Error).
Maybe there is a solution for this?
Thanks…