All-Pro Forced Air Kerosene Space Heater SPC-K75 "cause shut" Questions

When the unit shuts off there is still a small flame all the way across the burner. What would cause this? A bad themostatic valve? Dirt on the gas valve seating  causing gas to pass , gas valve ...

...for fan stat to turn on fan,high limit shuts off gas valve,fan shuts off;repeats cycle Probable causes include crack in heat exchanger, dirty pilot, bad high limit switch or bad gas valve. A

cause the furnaces safety "fan and limit" control to over heat and shut off till it cools off, then it will turn back on. If the blower is the one that is shutting on and off, you would notice this at

after shutting off heater it smokes out the back of the heater This can be caused by an uneven or worn wick. Replace the wick and make sure there is no debris in the wick channel as when you shut off ...

...a small piece of lint I blew this out and the heater worked great 90% of the time, this problem is caused by either a clogged gas orifice on the pilot light's gas line, or by dust/debris in the

...will restart but shuts down soon Look for a check the regulator for gum & build-up...it willp cause the burner to go out soon after

...and check to make sure the blower wheel is running at proper speed and not dragging sometimes cause by a weak capacitor. Anything that restricts airflow will cause a limit switch to

Unit randomly shuts down Have you ever had any problems with these units shutting off for no known reason? I have one that when main burner is on a short to long void appears in pilot flame coming and

...shut down. The fourth cause, perhaps indicated by the puff of white smoke, is contamination of the fuel with water, water will cause the white smoke and also is indecated by white residues or a power ...

Gas log will light and burn for several minuits,then will shut off. It sounds like the high-limit temp switch for the flu might be tripping and causing the gas log to shut-off. Verify that the damper ...