Extruder not extruding

Hi,

The extruder on my Anycubic kossel is refusing to turn.

I'm using a SKR 1.4 mainboard with TMC2209 drivers, Marlin 2.0.x and a knock off e3d Titan
The steppers do enable when I try to move via the lcd.
It isn't jammed. when the printer is off if moves freely.
The driver and stepper are good.
I tried reflashing the firmware and did a factory reset

I have no clue what could be causing this.

Any of you guys know what to try next

Thanks in advance!

Edited 1 time(s). Last edit at 04/03/2020 11:44AM by deodutie.

Could simply be the extruder min temperature safety.
To avoid damage the firmware wont allow extrusion until the Hot end is above minimum temperature (set in firmware).
The min temperature should be stated in the config H file. If you don't know what it is a good bet is to heat to 200C and then try the extruder.