Reddy R60A Utility Heater "remington kerosene torpedo heaters" Questions

...Remington kerosene heater model HH-45_KFA. When I plug it in, its runs for about 30 seconds and then shuts off. If I let it sit about a minute, it will fire up immediatley but again shut down shortly ...

...Remington Kerosene torpedo heater 60,000 BTU. Plug heater in fan runs then shuts right back off after 5 secs. You can find a service manual for that unit at www,desaparts.com and download the ...

remington 115,000 btu torpedo heater that won't start. It was working fine and tried to start it and now it won't do anything I have the same unit with the same problem. In checking it out I find that