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What to do if your Propex Fan Cycles Constantly

Mar 25th 2022

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 …
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Propex Electrical Faults

Mar 25th 2022

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 …
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Propex Warranty Information

Mar 25th 2022

The Propex heater is a reliable and safe method for heating your vehicle. Propex stands behind it's heaters with a convenient warranty against parts and workmanship. The warranty periods are:HS2000 and HS2800: One year from purchaseHS2211: Three years from purchaseIf you are having running issues with your Propex heater, we are here to help. First read through the aritcles on our knowledge base. We find that the majority of issues with t …
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Propex Ignitor Gap Adjustment (HS2211 only)

Mar 25th 2022

Combustion in the Propex Heatsource heaters is initiated by an internal ignitor. When the heater’s logic circuit senses that propane is at the gas jet and ready to ignite, the onboard electronics activate the ignitor. This electricity jumps a small gap between the ignitor electrode and ground, creating a spark and lighting the gas in the combustion chamber.When the unit fails to light due to a fault in the ignitor, the heater will usually displ …
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Resetting Propex Heater Fault Codes

Mar 24th 2022

When the heater unit encounters conditions outside the parameters for safe operation, the logic circuits on the main circuit board may throw a fault code. This self-diagnostic feature helps protect the user and the heater unit itself and also points the user in the right direction for diagnosing the issue. The procedure for resetting a fault code is simple with the Propex heater but requires attention to the timing of the reset operation. …
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