Geeetech

Posted: **Fri May 15, 2020 4:01 am**

Main board GT2560v3.1
The print cooling fan is always on.
Wiring like on the picture below.
Red arrow is pointing the fan connectors.
How to fix it?

: gt2560v3.1.png (2.24 MiB) Viewed 8826 times

Posted: **Fri May 15, 2020 2:06 pm**

Hi,you mean the blower, the fan that cools the nozzle?

: 微信图片_20200515140617.jpg (181.76 KiB) Viewed 8812 times

Posted: **Fri May 15, 2020 5:43 pm**

Yes, this one. It should work with PWM and started by gcode.

Posted: **Mon May 18, 2020 9:41 am**

Hi，this should be because the motherboard chip cannot control the blower.
You can contact the salesperson on the purchase platform to replace the motherboard.

Geeetech

The print cooling fan is always on

The print cooling fan is always on

Re: The print cooling fan is always on

Re: The print cooling fan is always on

Re: The print cooling fan is always on