Question about Patton PUH9000-U Heater
I have a Patton Heater And It has A Caution Light on it. It would run for 2 minutes then the caution light would come on then it turn off!
MILKHOUSE HEATER "CAUTION LIGHT" SOLUTION: Before I explain, let me clear this myth up: this is NOT an issue with the pendulum safety switch (some mistake that for a "mercury" switch). To begin, unplug the heater. Open it up and clean it out. I mean, buy a can of non-chlorinated brake cleaner and squirt all of the contacts good. Below the fan there is a sensor mounted on the heater element box on the bottom. That goes bad and causes it to trip. While you are there, squirt the motor bushings good with the brake cleaner and dab a drop of synthetic motor oil (just a drop) on EACH of the two motor bushings. Personally, I rewired this and bypassed all of the safety features. You can bypass that sensor without soldering or cutting any wires. All you have to do is unscrew the wires from the holder and then unscrew the tiny nuts and tiny bolts. Then bolt the together at one end (note the position) and put it back in the holder and tighten the screw to hold it in. This method fixes the issue completely as it removes the sensor from the equation. In fact, I just did that on my third milkhouse heater and it has been running solid for the last 15 minutes. Use your modified heater with caution! Let the brake cleaner dry before you energize this device!
Posted on Dec 11, 2012
I have one and the thermostat is defective (out of calibration) causing the problem
Posted on Jan 04, 2008
To be absolutely certain what is turning on the caution light I'd have to see a circuit diagram on the heater. what it may be is that the air path is obstructed by something, the element is reaching too high a temperature and shutting off, if it has a fan, the bearings might be dry - hey! don't ever use wd-40 for lubing motors. use a light machine oil. the bearings in most of these heaters are oil-lite - sintered bronze. the material is porous enough to pass oil to the bearing surfaces and is free floating in their mounts.
Posted on Dec 07, 2007
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Posted on Jan 02, 2017
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