Cutter not turning off using mach f5 or clicking torch

e during intitial testing the torch fired using the torch on/off button or the f5 key, but will not turn off. help!

Is the plasma on 2T? It should be

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sorry but I am not sure what ‘2T’ means

If you machine has a switch on the front for 2t/4t make sure it’s in 2t. If you don’t have the switch then it’s in 2t

2t means cutting while you hold the trigger
4t means hit the trigger and let go and it cuts until you key the trigger again