Hi, I have a Delta with a selespeed cfc300 gearbox left on N, in gearbox memory error p2908 Gearbox failure

I have the impression that there is a punctured pressure accumulator because when the hydraulic pressure drops the pump motor kicks in and brings it back to 50 bar in a fraction of a second.

However, it is not possible to make gearbox adjustments, Autotuning end of service line interrupts with insufficient pressure plate stroke error.

Here is a list of the parameters measured with the ENGINE OFF and with the engine running (gearbox on N):

Plunger stroke: 18 mm

Hydraulic circulation pressure 48 bar

Plug position 28mm

Motor RPM: 0

Clutch disc speed: 0

cont autotarat number ok 0

Result mem thresholds NOT OK

Mem. grid thresholds: not carried out

Plausibility Grids: OK

Clutch Engagement Point: Not carried out

ENGINE ON:

Clutch pressure plate stroke 9 mm

Hydraulic circ. pressure 42 bar

Plug position 28mm

Engine revs: 850

Clutch disc speed 850

Cont. Num autotar ok: 0

Result Mem. Thresholds: NOT OK

Mem. Thresholds Grids: not carried out

Plausibility Grids OK

Clutch Coupling Point: Not carried out.