Question about Mr. Heater Big Buddy Heater

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Mr Heater Big Buddy on low or medium heat the left ceramic panel does not remain lit, but on hi the right lites correctly?

Why does the left panel not light properly on low and medium and at the same time the right panel on high works right?

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Posted on Jan 02, 2017

  • 381 Answers

SOURCE: My Big Buddy heater inconsistently works on high.

I did some research on these units-- I pass them on to you-- Do these help?

your Mr. Heater the model that uses two small one pound cylinders or you have the choice to hook it up to a single larger tank? if so, you must use the special filter connected to the Mr. Heater and then your hose to tank.
This happened to me and after I hooked up the filter my problem was fixed.
Ron
large and sealed of an area are you using it in? I ask because those units have a low oxygen sensor which will shut it down if there is not enough oxygen in the space.(kinda prevents that pesky suffocation thing). Otherwise if using it in larger cold spaces, the issue is can be from the smaller tanks. As mentioned above, a larger tank can solve this, because these units have a fairly good input rate, which will cause the smaller tanks to freeze, and lower the propane temperature and evaporation rate, basically runs out of gas until the tank warms back up.
just one new cylinder, it will run on just one, to verify a problem with the cylinders. Also it could be the pilot light, sit and watch the pilot light to see if it goes out for some reason. If it does the heater will shutdown automatically, but you already know that.


Let us know if we can help further?

Mack B

Posted on Jan 17, 2011

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1 Answer

Pilot will not stay lit on my mr. heater buddy. where do i get a thermocouple for this buddy model no. MH9BX


First follow this trouble shooting guide to make sure you need one-http://www.mrheater.com/product/faqs/little-buddy-troubleshooting/ Then Amazon http://www.amazon.com/Mr-Heater-Pilot-Assembly-Portable/dp/B008DBRB8W Make sure it's the right one for your model heater.0810snp

Feb 24, 2015 | Mr Heater Base Camp Portable Buddy Propane...

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We bought a big buddy 2 days ago and now it wont work.


Push red button down to start, maybe 3 times, then push red button down HALF way down then turn to low.
IT COULD BE YOUR PROPANE TANK, got a new one but had problems, so I left it on all night and it lit in the morning.
BUT when I got it filled the next time the man said the stem in the tank might need to take it outside and bang the tank several times, stem in the top gets stuck a lot he said.
But last is to take the tank outside and use a flat head screwdriver and turn the screw? on the side where the hose would be connected to let some out.

Feb 05, 2015 | Mr. Heater Big Buddy Heater

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Heater shuts off


medium switch or its connecting wire is faulty,should be repair by an expert

Feb 16, 2014 | Mr. Heater Big Buddy Heater

1 Answer

Why does my Big Buddy Mr. Heater make a whistling or humming noise?


mr heater makes a whistling sound as gas escapes around the gasket of the ceramic heating elements, that is ,all around the outside edges of the ceramic heating elements.

You can find out exactly where the gas leak is , by pressing down on the outside edges of the ceramic elements with a big, long
slotted (flat bladed) screwdriver while mr heater is running and hot.

The screwdriver needs to be long enough so that you dont burn your hands [the longer & bigger the screwdriver, the better] & it does not hurt to wear heavy gloves too, because it gets very hot, very fast in front of mr heater.
The thicker the blade of the screwdriver is, the less chance of damaging the ceramic heating element because a thick bladed screwdriver will not concentrate all the pressure in just 1 tiny point.

You are not trying to crack the ceramic with a wood chisel.

Dont press down so hard that you break the ceramic heating element, start by pressing down gently and gradually increasing pressure until you notice a change in the whistle or sparks comming out of the heating element as loose carbon deposits
come out of the heating element and burn in the propaine flame.

When you press down on one edge ,the other opposite edge may come up slightly, resulting in loose carbon deposits escaping and burning as sparks.

also, you may not be pressing at the spot where the gas whistling is comming from and will need to move the screwdriver flat blade around the edges, here & there, to test for the effect of pressing down.

When you press down on the outside edge where the diamonds stop, while mr heater is whisteling, the whisteling will stop & mr heater will run quite. Sometimes, just pushing down with the screwdriver will stop the whisteling ,for a while,and maybe a good long while.

The big pain in the **** solution is to put a new gasket around the
ceramic heating elements, but there is no guarantee that the new gasket will not whistle.
Its a big ,nasty job, which I would rather not do--so I just push down with the screwdriver, to temporarly stop the whisteling, I guess it depends on how much the whisteling annoys you, as to if you want to go thru all the effort & expense of changing out the gaskets, without knowing if it will still whistle when you are done.

Im just a diy guy that has 3 big buddys I keep going for 4 yrs now.
I took one apart to look 4 the cause of the gas whistling, and then put it back together. Funny,it stopped whisteling & that was 3 yrs ago. I didnt put in any new parts.

It may help ,a lot ,to increase the pressure with which the Mr heater ceramic is pressed down against the gasket material.


This is accomplished by a heavy stainless steel wire that runs behind the ceramic heater element and goes through sheet metal
tabs on each side of the ceramic mounting frame.
You can bend the wire and the tabs,but only a little bit, and be very careful not to break the tabs because the tabs are not repairable, to increase the downwards pressure of the ceramic element against the gasket material. This may stop the gas whisteling--
its a try & see thing, a finicky adjustment, that sometimes works
& sometimes does not and sometimes, after a week or two, the ceramic might reseat itself against the gasket material and the whistling stop. Mine did stop whistling, but not until a couple of months after i did the job, due ,i think to reseating of the cermic against the gasket material. its try & see thing.


also ,a gas tank that has higher than average gas pressure may start gas whistling up but the whistling will stop after you have burned up the higher pressure of the propaine.

Jan 06, 2013 | Mr. Heater Big Buddy Heater

1 Answer

When I press down and turn the know the pilot lights but as soon as you let up on the knob to turn it there is a click and the pilot light goes out.. This is on my Mr. Heater Big Buddy


When the pilot lights continue holding the button down for a full minute and then release. It should stay lit then to allow you to turn it to the on position. If the pilot will not stay lit after holding it for the full minute, then the thermocouple will need to be replaced.
Hope this helps.

Sep 16, 2011 | Mr. Heater Big Buddy Heater

1 Answer

Panel won't hold a flame


this could have to do with the main gas feeds to the ceramic panels . they might be obstructed with a spider web or dirt,foriegn material etc.
easiest fix is to take a air compresser with a blow gun tip and blow out ant foriegn material or spider webs from the gas feed pipes to
the ceramic burners.
the gas feed pipes have large air induction holes that a small blow gun can fit its nozzle into to blow out the gas feed pipes without
having to disassemble them.
that is a big time & work saver.
I took my gas feed lines to the ceramic burners all apart, only to get out a spider web that i could have blown out with compressed air and saved myself 2 hours work.

anything inside the gas feed pipes to the ceramic burners will result in dark spots or the panels not staying lite, irratic burning
or no burning at all.
the gas needs to be able to get through unimpeded at proper flow and proper pressure for proper burning.
a spider web will mess up proper gas flow. some gas, but not enough gas will get through and ceramic wont burn well and might not hold a flame.


clean out the foriegn material from the ceramic gas feed lines.


Rare posibility,if the gas behind the ceramic element escapes around the edges of the ceramic, through a bad seal of the gasket,
this also will stop the ceramic from burning well.


mr heater is not made for easy diaassembly so try not to do more work than you have to.


use compressed air rather than taking mr heater all apart to clean out a gas feed pipe.

Mar 26, 2011 | Mr. Heater Big Buddy Heater

1 Answer

One side glows like a champ. The other side, dedicated for High setting, pooffs when I turn it to high, then kind of fickers and barely glows. I have a fuel filter and a six foot hose off of a 20#...


dirt , foriegn material,spider web in gas feed line to the right side ceramic element of mr heater big buddy. take plastic back of heater
off, many #1 philips or smaller screws. find large air induction holes
in gas feed line to right side ceramic element and blow out with compressed air and fine tiped /straw tipped air blow gun.
straw tipped air blow gun is a better tool for this.
reassemble & try lit mr heater again.
If it dont work after air blow gun the gas feed tube, you didnt get the gas feed tube cleaned out ,***** & span (something still in there ) and will need to disassemble the gas feed tube and inspect for foreign material blocking the gas flow.

If this dont work,need to take the gas feed line off the gas valve attached to Mr. heater red knob. red knob just pulls straight out, might need pliers to grab red knob.
check gas valve output for dirt etc that stop gas from getting through. check inside the gas line to the ceramic burner for dirt,
foriegn material- that stop gas from flowing through strong.

any stopage of gas flow , even a slight stopage or dirverting of the gas flow, spider web is common, will stop ceramic element from burning properly.

needs to be clean ,like a carburator.

Dec 27, 2010 | Mr. Heater Big Buddy Heater

1 Answer

Mr Heater MH12T noise and little difference in heat settings


HI Check out mr heater wed site there has been some recalls on some of there heaters if not take it back .............

Feb 09, 2010 | Mr. Heater MH9B Ceramic Utility

1 Answer

Big buddy heater caught on fire


HI try mr heater wed site there has been some recalls on these heaters , it sounds like you had too much pressure going to the heater , or the gas valve was faulty, hope this helps

Feb 09, 2010 | Mr. Heater Big Buddy Heater

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