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LR-350 keeps on turning off

Just got a LR-350 Kerosene heater from my parents estate. It looks in excellent condition. Just filled it up with fresh kerosene fuel. It started to try and ignite and start, but then shut itself down. The fan never came on. Now every time I try to start it, it just clicks and turns the power indicator off

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Check the wiring for the fan and the temperature sensor. If the fan isn't running/broken the unit will not start or ignite. Try moving the fan blades with the unit unplugged. If they don't move easily or are ceased the fan may need replacing or lubricating. The heat in these units dries out the fan bearings over time.

Posted on Dec 13, 2014

  • David Edwards
    David Edwards Dec 13, 2014

    One more bit of info. I had the timer on, which w as why it didn't start initially. When I started it nirmsl, the fan would come on, and the igniter would ignite a flame go about 15 seconds. Then I would hear a click, and it would shut down. The fan would continue to run for a few seconds also. Is there a flame sensor maybe that is bad? Seems like some type of safety override that kicks in after it starts to ignite

  • freddyfox Dec 14, 2014

    There is a flame sensor that may have failed. Also ensure you are using clear Kerosene, all other types may cause the problems you are having.

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Kerosene Space Heater Tip


I have repaired many kerosene space heaters in the past. The number one problem that I see is everyone expects the heater to just come on every winter when they plug it up. But usually it does not. It's been sitting in storage collecting dust. And then you hear them say "It worked fine last year". If everyone would just do this at the end of each winter and you are ready to store your heater, (Drain the fuel & clean your tank out). Check your filters and replace if needed. It is that simple. When you need it, do not put the same fuel that you have in a can or barrel (from last year) in the heater. Discard the old fuel properly & just purchase some fresh fuel and start off fresh. If you use the old fuel that was left in the heater or can/barrel, you are just looking for trouble. If you fire the heater off with the old fuel, you are just filling the heater with problems. Water is the problem. The fuel tanks/cans, ect. sweat during the hot months and it all settles in the bottom. Inspect your fuel before using it. Look for water/trash that has settled in the bottom. Discard as needed. You will be nice and warm instead of having heater problems when your freezing & needing heat. Just remember "start off fresh".

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Kerosene Heater starts up and then shuts down


David, you need a copy of the Troubleshooting Manual here:
http://www.toyotomiusa.com/OwnersManuals/Portable%20Heaters/Name%20begins%20with%20LR%20or%20LS/LR-350%20LR-450%20Troubleshooting%20manual.pdf
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hi dear,

First of all make sure that the heater is filled with K-1 Kerosene. Other fuel, such as gasoline, home heating oil, etc. do not burn hot, causing the heater to burn out of control. NEVER USE GASOLINE or any other fuel described as flammable. If there is any question about the fuel in your heater it is best to drain it and replace the wick and start with fresh K-1 Kerosene. If you are sure of your kerosene and your heater is giving off sooty black smoke it is a sign that the fuel/air mix is off. Make sure your heater is not in a draft. Too much air can create a very high flame condition. Avoid placing the heater in drafty areas or under a ceiling fan. Make sure the burner chimney is seated correctly. If the burner chimney didn't seat into place correctly after lighting you may be getting a very high flame on one side. If it's a high orange flame all the way around try rolling the wick adjuster knob down within the adjustment range - the wick may just be raised too high. If these things do not fix the problem wait until the heater is cool and inspect the burner cylinder. If there are any holes plugged with soot it needs to be cleaned, or if it's dented or buckled it needs to be replaced. After you have checked the fuel and burner you should check to make sure the wick is installed at the correct height. Refer to the owner's manual for exact wick height. If the wick is installed correctly and there is no other obvious defect it is best to take the heater to a service center to determine the cause. Our Find a Retailer tool can be used to help find a servicing center.

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The heater fan runs for about 5 seconds , does not heat and than turns off.


This could be several problems. Check your fuel first. If it is old fuel from last year, get rid of it and fill with fresh. If it has water in the tank, your spraying water to your ignition source. If you have fresh fuel, it could be a fuel filter stopped up or your air pump is not set properly. Also check your ignitor to see if it is working properly. Some have a spark plug and some have a glow type ignitor.

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1. Check to make sure you using fresh clean kerosene fuel. 2. Make sure you fill the heater and let it set for at least an hour, 2 hours is better. 3. If either of those solutions don't fix the problem, return to the store.
I have the same heater and just changed the wick. When working correctly, it should be so hot that it's uncomfortable to hold your hand 2 feet over it.

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This is a common problem with kerosene heaters. Start from scratch if you haven't done so. Drain the fuel if it is old. Change or clean the fuel & air filters. Wash out tank with fresh fuel. Fill with fresh fuel. Check to see if your ignitor is working properly & then test again. Good luck.

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