My heater with SPARK PLUG technology runs for 30 seconds, then shuts down. Whats wrong?
A. Always start by checking the pump pressure, first. Compare the air pump pressure to specs written on the heater. So much time can be gained in troubleshooting by using pump pressure as a starting point. Pressure loss can lead you to rotor failure, air leaks, broken parts, leaky hoses, or, through good intentions, if someone has attempted to adjust the pressure and actually done more harm than good. As little as 1/2 psi reduction in pressure can give the symptoms described. Once the pressure is correct and the problem persists, move on to diagnosing the nozzle, fuel, and fuel delivery. Request troubleshooting tips for Spark Plug type heaters by email.
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