Resetting a Solid Light Lockout on your Propex Heater
Mar 24th 2022
The Propex heaters were designed to be safe and reliable sources of heat for your vehicle. Being mounted in a non-stationary vehicle presents it's own challenges as the units are subject to vibration and exposure to all types of environments. Because of this, Propex designers err on the side of caution and create distinct operating parameters for the heating units. If the heater's electronic protection system senses that the unit is outside
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Propex Onboard Fuse Replacement
Mar 24th 2022
The Propex line of heaters has an onboard fuse to protect its sensitive central circuitry. Consider this fuse your heater's front line of defense against an over-current condition for your heater.
To protect this fuse, it is imperative that there be no power to the unit when connecting your Propex thermostat to or disconnecting from your heater unit. In other words, connect the thermostat and THEN the 12-volt power. If this sequence is not f
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Propex Heater - No Flash Code
Mar 24th 2022
If your Propex heater is having issues but no diagnostic fault code is showing on the indicator light, there are a couple quick diagnostic tools you have in your toolbox.First: Is the ambient temperature warmer than 80F? The upper limit of the Propex thermostat is set to 80F to limit the overheating of the cabin space in case the thermostat is left on high. You have a couple choices to test heater operation in temps over 80F. You can wait unti
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