Torch has no spark

Hello i have been using my razor cut 45 plasma and it has stopped sparking at all air starts and ends as normal but no spark like if ground was not on but ground is good i even used a different ground. Has anyone experienced this that can help?

Air pressure could be too low or consumables may be stuck and won’t blow back to start the arc. Did you change the consumables recently?

I tried changing all consumables even the retaining cap and and shield and still no fire i will check my air pressure next although i think it would still have a small spark right?

No. If the air pressure isn’t high enough to blow back the electrode, there will not be any arc.