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Re: where is the fuel filter located
I have to ask ...what is the air pressure set at.very important that it is set correctly.if it isn't the unit will only run a few seconds then shut it self down.look at the back plate and see if there are any cracks at the adjuster boss or the plug boss.if there is one the pressure is not correct and the unit will not run right.but to set the pressure you need to have a gauge so the air pressure can be set to the right psi...
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This is normally due to either a clogged intake filter, or water in the fuel. To rinse the intake filter and the tank, put in a quart of fuel and shake, shake, shake to rinse crud off filter and dump out. Otherwise you'll have to disassemble to get to the filter. To remove water from fuel, dump it into a bucket. The water will coalesce in the bottom, then pour slowly back into the tank, leaving the 'bubble' of water in the bucket.
your limit switch is opening up, that causes constant fan. Check for flashing codes after flame shuts off and fan continues. Check airflow, filters, lack on return air for possible hi temp limit problems.
You need to make sure the filters are clean and that you are getting the proper air pump pressure.
the units starts up and runs good and slowly goes out it will normally
be due to a lack of fuel getting to the nozzle. When there is not enough
fuel being delivered to the nozzle from either a clogged fuel filter of
dirty air pump output filter the unit will slowly shut down from lack
If the unit shuts down while it is running properly and
the nose come is orange then you probably have a problem with a
photocell or the flame out control.
If you have other questions you can contact our service department at 269-685-4125 at extension 224
The white smoke is the kerosene fuel hitting the hot combustion chamber. Your flame has went out. The cause for this could be many. The first thing you need to do is check your fuel. Remove your fuel cap and look at the bottom of the tank for trash or water. Use a good flash light. It will all settle to the bottom. If so, drain and clean out your tank. Add fresh kerosene. Check your fuel filter. Replace if dirty. Test again. If problem continues, It is possible that your photo eye could be deffective or just dirty. It is located next to the ignitor or spark plug. It sees the flame. If the flame goes out, the unit shuts down. The flame has to be smooth (not sputtering). Water in the fuel will make it sputter and the unit will shut down. When the water/moisture in tank settles to the bottom, your suction fuel line is just off the bottom which results in it picking up the water instead of good fuel. Always disgard the old fuel from previous year and start with fresh fuel. This will cut down alot of your problems in the future.
Thanks for providing the model of your heater. Most folks don't.
Your heater has a photocell eye and a computer board (ignition control). This team monitors the flame. If the team does not like the color of the flame then they shut the heater down and that is the situation you are in. Now, you must troubleshoot & find the problem. Is it water in the fuel, incorrect air pump pressure, worn nozzle, cracked plastic cover, etc.
This just sounds like a couple of problems. First, your blower is designed to only turn on once the heat exchanger heats up, so the flame will be on for a minute or two before the blower starts. it sounds like your blower is cooling down the heat exchanger too fast and causing it to shut off so it can warm up again...check blower speed for heat, it should be the lowest speed (black wire). Blue=medium speed, red= high speed. second problem could be your flame sensor rod is calcified, you just need to locate this and clean it off with some fine sand paper.it is located in the flames near the burners. Also change your filters, for proper air flow through your heat exchanger.
If the heater runs fine for the 15 or so minutes without smoke/odor- do this
check for water droplets on bottom of tank
check for restricted fuel filter
test safety control (reset)
You don't state whether this is a spark plug heater *or* Hot Surface Ignitor type. I made the assumption you were inquirung about a Spark Plug Heater. Disregard the list if the heater is an HSI type---- troubleshooting is different.