I have a P5000 that will not start, had a bad vaporizer so replaced with new one.

I'm able to get it to run out the propane in the system if I remove the injector.

If you continue to try and start it with the injector in and the tank open it will frost up the vaporizer, I had a symptom close to this a few years back on another P-5000 and it was a bad ECM but I got codes on it. Could this be a bad vaporizer?

Does anyone have any ideas, also does anyone know what the voltages should be at the injector?

Thanks,
Leigh