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NEW!  Check out our video of this procedure here:  Propex Heater CN18 ResetSometimes the logic circuit in the board gets into a loop for some reason. Usually this is indicated by a one-flash code but there have been a couple times where this procedure cleared a no-flash fault as well.If you have been unsuccessful at resetting the fault code from the thermostat:Remove the access cover to the interior electronics. On the circuit board ne …

Let's find some common ground on Propex terminology.Pipes: We call the smaller (22mm in the HS2000 and HS2211, 26mm in the HS2800) intake and exhaust in the combustion circuit pipes. When you're speaking with our tech support, we'll be referring to pipes rather than ducts, tubes, etc. These pipes are NOT to be shorter than 1 meter (about 40 inches) whatsoever.Ducts/Ducting: The fresh/heated cabin air is transferred by larger (60mm in the HS200 …

Very rarely we've seen a running issue where your Propex fan may start acting possessed and cycling on and off in one second bursts regardless of the settings on your thermostat. We suspect this happens when the heater has been started with the battery in a discharged state. The fan spins up to begin its pre-combustion purge as normal but there is not enough battery charge to complete the cycle. It's almost as if the logic circuit on the main …

Occasionally we receive inquiries into the Propex technical support team describing electrical conditions that are outside the typical diagnostic flow of the heater. This could be something like a heater working on the fan setting but not on the heat setting or perhaps having no response at all despite 12V applied and the onboard fuse testing good.It's important to remember that there are several opportunities throughout the course of heater ins …