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MPI kerosene Monitor Heater

I am trying to start the heater. The burner light comes on, flickers, makes a "purring" or light "thumping" noise and shuts down. Help ! Mike

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  • sconnell633 Nov 02, 2008

    my burner will not stay lit, and does not seem to be getting muck propane gas even though the tank is full?

  • Dawn003 Dec 13, 2008

    I am having the same problem. It starts to light, then you hear a thumbing noise then the lights start flashing and it goes off. Can anyone help me?


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Need to bleed air out of filter at oil tank crack open the screw on top it will bleed out air wait until oil starts to run out then tighten back and bleed at heater on right side lever inside hole push and let off slow 4-5 times and restart

Posted on Dec 31, 2009

  • J_T_B1986 Sep 12, 2010

    loosen the screw on the tank filter let oil flow then go to your heater and loosen the screw on the right side not the 2 but the single 1 screw for what looks like a decent flow then prime your button 4 or 5 times then start your heater up that worked for me i replaced a broken line hope this helps you guys

  • greg Dec 05, 2012



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When your Monitor makes that thumping noise you are not getting fuel to the pump. Either no fuel, low fuel, or dirty filter on tank and stove.

Posted on Jan 06, 2009

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E 13 COD

Posted on Jan 30, 2013

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No fuel is getting to the pump clean pump filter and line filters hope this helps.

Posted on Jul 21, 2012

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Monitor 41 reads E-01 what does it mean?

Posted on Nov 03, 2008

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1 Answer

Black smoke coming kerosene

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.

Jan 04, 2014 | Corona 23-DK Compact Heater

1 Answer

My kerosene monitor heater with the model number M441 isnt workin correctly , ive changed the filter outside that goes into the tank and replaced the burner and still it isnt working , the burner status...

First thing to do is clean the flame rod. Take the black grill off of the front of the heater (6 ro 7 screws). Now locate the flame rod. It is beside the window where you can look into the burner. It has one wire going to it. Be careful so you don't damage the gasket. The rod goes in then straight down, so you will have to turn it to get it out. You can clean it with some steelwool or emory cloth. Reinstall it and try the heater.
Listen to the heater. If it cuts off, does the fuel pump start making a thumping before the heater cuts off? If it does, the heater is running out of fuel for some reason. I know you checked the filter, but did you check the strainer in the fuel sump. You can find it on the right side of the heater at the bottom. Make sure you turn off the fuel at the barrel before you remove it and have some rags ready to soak up the kerosene that will come out. Clean the filter with some kerosene if it needs it.
Let me know what you find and don't forget to rate my answer. Thanks.

Jan 06, 2011 | Heating & Cooling

1 Answer

My mpi 41 moniter heater will come on for a few minutes and then shuts off and the display window flashes 88:88 plz help!

Do you see any flames before the heater cuts off? If not, check the igniter first. You can check it with an ohmmeter or with a clamp on ammeter. If using an ohmmeter, the igniter resistance should be between 10 - 20 ohms. If using a clamp-on ammeter, clip around just 1 igniter lead and you should get 2 -4 amps.
Does the fuel pump start making a thumping noise before the heater cuts off? It makes this sound when it isn't getting any fuel to it. Check your fuel filter and fuel strainer. Be sure to shut off the kerosene before checking either.
If you do see flames before it cuts off, you need to check the flame rod. Clean it with some steelwool or emory cloth. The flame rod is located next to the window on the combustion chamber and has 1 wire going to it. Unplug the heater before checking.
If this doesn't help, let me know what you have found and I can give you more info.

Jan 05, 2011 | Heating & Cooling

1 Answer

Hello and thanks in advance for any replies! :) We have not used our Laser 73 for close to 5 years. Tank was empty so we had it filled and new filter installed at the tank. I cleaned the screen at the sump...

That heat tube is the ignitor it gets real hot for a minuet then the kerosene starts pumping in and it flames up from the hot tube. I would expect that kerosene is not going in to the burn pot. the kerosene valve control will make a ticking pumping sound about 1 minuet after the vent fans start. within seconds a flame should appear. If you remove the screen and open your line or tank valve kerosene should flow out of it. hopefully you installed a line valve just before the going in to the heater. I loved my laser 73 about 10 years old. but kerosene at 3.50 a gallon for the clear stuff made me install a ground source system. I keep it as a back up running it once a month for 1/2 hour. dave

Dec 16, 2010 | Rinnai Toyostove Direct Vent Heater:...

2 Answers

My 441 monitor heater will ignite and then it burns for a little while then goes out and starts flashing.

sounds like your heater may be starving for fuel. check all your rubber hoses for cracks first and then continue troubleshooting from there.

Nov 27, 2010 | Reddy Kerosene Heater with Thermostat:...

2 Answers

MPI Heater keeps shutting off and wont turn back on when it does. we try to reset it and for some reason it will try to go back on but will not fire up. It is cold in here and we have dyed kerosene so why...

Your problem may be a dirty flame sensor which can be cleaned with some steelwool. If the heater makes a ticking or thumping noise before it cuts off it is not getting fuel to the pump and you would need to check your filter and also the strainer in the fuel sump. Make sure you don't have water in your kerosene either. You can find an owner's manual at which will give you some more info.

Apr 10, 2010 | Heating & Cooling

1 Answer

My monitor heater 441 comes on but after 3 mins.or so the burner lights come on full then starts blinking still no flames no heat.

Not a lot of details to go on. Does the pump make a loud ticking sound? That would mean it isn't getting any fuel to it and you would need to check your filter and the strainer in the fuel sump. You may need to check your igniter also. If it isn't working the heater will not light and kerosene will be building up in the burner everytime you try to light it. If you have a clamp on ammeter you can clamp around 1 of the igniter wires and should get 2 - 4 amps when you turn the heater on. If this doesn't help you can email me a

Mar 31, 2010 | Heating & Cooling

1 Answer

My monitor 2200 heater is leaking fuel what could be the problem

That depends on where the leak is. If it is leaking out of the fuel sump the needle valve in the sump could be stuck or just leaking by so that the sump is over flowing. You could also make sure the fuel line fittings are tight where it connects to the pump and the burner chamber. If you are using an internal tank you should take the tank out and look down in the heater for kerosene. Check the fuel fittings in the back of the heater. Has the heater been working? If has gone through several attempts to start but hasn't lit kerosene could be built up in the burner and you should check the igniter. Also you would want to dry up any excess kerosene in of the burner. There are also some o-rings in the fuel pump itself but I wouldn't think they would be leaking. Basically there are not a lot of places it could be leaking just follow the fuel line from the back of the heater to the burner. You may need to wipe up the kerosene and then look for a drip. Hope this helps.

Mar 30, 2010 | Heating & Cooling

1 Answer

MPI 41 Keresene Monitor Heater LIft Pump over-primed?

I recently relocated monitor heater from living room to dining room and ran new line to heater. I have pressed the priming button located on right side and turn unit on, but all that happens is it will click on run for a cycle and burner never ignites and then turns itself off and burner indicator lights continue to blink on and off, I dont think it is getting proper fuel to unit. What do I need to do?

Jan 05, 2010 | Heating & Cooling

2 Answers

We have a monitor 2400 kerosene heater, it will start up and after a few minutes at most it shuts down and starts beeping and many times has a message "error 13"

Next time you try to start the unit listen to the pump on the lower right side of the unit. Just before the E13 message if you hear a thumping noise, you have a fuel problem. If you don't hear a thumping and there is a flame you have a problem with the inside of the burner. I would say since it's a 2400 you have a fuel problem. Low fuel, no fuel, dirty filter or blocked flue pipe.

Tom Hawkins

Jan 19, 2009 | Heating & Cooling

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