Question about Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping

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I have an EE2 error code on my laser 73 heater. I had fuel oil coming out of the exhaust. It was very windy that day and I do have a wind break but maybe it wasn't good enough to stop the wind. I tried cleaning the fuel screen and it still won't turn on. Any suggestions? Thanks!

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  • alaska jack Apr 04, 2011

    I also checked the exhaust port to make sure it was clear and made sure I had fuel and bled the lines, pushed the reset button. And it still won't turn on it keeps giving me the EE2 error code.

    Thanks, Alaska jack

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Posted on Jan 02, 2017

BudinAk
  • 2 Answers

SOURCE: toyostove laser 73

My Laser 73 does the same thing at least once, and sometimes twice, a year. The EE6 code is what the onboard computer1.gif gives when it THINKS the flame has gone out. Now, it COULD be that all that is wrong is you are out of fuel, OR you have water in the fuel. But....the more likely scenerio, (and what has always gone wrong with mine) is a common problem in the flame pot:
There is a stainless steel baffle near the bottom of the flame pot. (about 2 inches off the bottem). This baffle is used to "form the flame", cause it to curl up around the inside edges of the pot, where the air intake holes are, to create a clean-burning, high-efficiency blue flame. Over time, this baffle becomes horribly warped and distorted from the intense heat. (an engineering design screwup, IMO) (but you'll never get them to admit it) This warping of the baffle, in turn, causes the flame itself to become uneven, and to also begin burning poorly, with soot deposits. One of the first hints this is happening is lots of YELLOW flame, instead of the usual blue. When this happens, the flame SENSOR becomes sooted and dirty, and no longer is able to sense the flame. It tells the computer to shut down, because it thinks there is no flame, hence the "EE6" code. This sensor is simply a stainless steel rod poking into the flame pot. It's on the front of the pot, two screw fastening, and has a single wire attached to it, which runs to the computer. It is used to detect IONS (minute current) running from the flame front to the pot itself. (ground) And....(as if all this is not enough), the gaskets around the middle section of the flame pot, and at the top, usually develop cracks and leaks.
Cleaning the sensor (with steel wool) usually isn't enough to fix this problem. You will likely have to replace both of the fire-pot gaskets, the flame pot baffle, and also the burner "mat". (a round, flat, fiberglass mat glued to the bottem of the flame pot. Vacuum out all the dirt and soot. The baffle "unscrews" with about a quarter-twist CCW. (lift upwards on it, while turning CCW) Use fire-proof sealer on the new gaskets. Plan on all day taking it apart, and back together again. (a time consuming job...no fun) Good luck!

Posted on Jan 26, 2008

toyotech
  • 8 Answers

SOURCE: EE2 code for toyo LASER 56

Hi sammysamual,

My business is Laser Heating Service in the North Pole/Fairbanks areas of Alaska. An EE2 error code is usually fuel related. What does your Toyo do before the EE2 code shows up? If you let me know the sequence of events, I can trouble shoot the problem for you. toyotech

Posted on Jan 28, 2008

toyotech
  • 8 Answers

SOURCE: Toyostove Laser 73 EE2

The firing sequence for a L73 is blink, blink, blink, on the green burner light, then it clicks up to the medium, amber or yellow light...that's when the pump kicks on. If you hear click, click, click, or thump, thump, thump, that means the pump is starving for fuel. The problem is from the carburaot/sump back to the fuel tank. You may have icing in your line or a line restriction, no fuel, plugged fuel filter or plugged sump screen. You can thaw your fuel line, until you have a free flow of fuel and then push the red restart button on top of the sump. Try to restart your Toyo.

If you follow the firing sequence and hear no click, click, click or thump , thump, thump and your Toyo goes off on EE2 then you can have a dirty flame sensor...the whilte wire running to a U shaped part that is the ground for the entire unit. You can take ythe ytwo phillips screws out, turn the part to the side and wiggle it out. Clean it qith a green scrubby or sandpaper and put it back in. Be sure it points stright down. Then take out the igniter which are the red wires. Put a long screw driver in there and rattle it around real good. You are trying to shake any carbon cxhains off the burner ring that can be "shorting" the flame sensor. You can also removee the 1/2 inch flare nut from the fuel nozzle...brass yellow colored metal part, and put a paper clip or wire down that about 3 inches. That will clear any blockage in front or inside it. Put everything back together, hit the red reset button on the sump and re-fire your Toyo. You might get it going in this manner. If not, you may need a tuneup because your Toyo is too sooted up to run correctly. Try these things and post back!

Posted on Nov 14, 2008

  • 674 Answers

SOURCE: My Laser-73 ignited then warmed for a

There are several possibilities. You said you have plenty of fuel, but is it getting to the fuel sump. If the pump makes a loud ticking or thumping sound, it is not getting fuel to it. You may need to vent your filter to remove an air bubble. The heater also has a strainer inside the fuel sump that may need to be cleaned. Refer to the owner's manual for instructions for that. The fuel sump also has a reset button that releases the fuel float that may need to be pressed. The fuel nozzle sometimes gets clogged with carbon. You can remove the fuel line and insert a piece of wire (stiff wire) into the nozzle about 1-2 inches to remove it. Another problem may be a dirty flame sensor. You can clean it with steelwool. Since you say it lit I wouldn't suspect the igniter is bad. Also remove the top from the fuel sump clean the sump if necessary.

Posted on Sep 22, 2010

  • 1 Answer

SOURCE: my toyp laser 73 is displaying ee2. we have fuel,

Check for flame / ignition... if no flame, check igniter: after unit is turned on, the igniter should get hot - CAREFULLY feel the area where igniter is mounted to burner. If it's not hot, your igniter is bad, needs replacement.

If you have ignition, the flame rod (sensor) may be defective or need cleaning.

This document might help...
http://www.rural-energy.com/publications/catalog/documents/document-334.pdf

Posted on Apr 20, 2011

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1 Answer

After my stove runs about two cycles, it shows E E 2. we relight and it ignites and then shuts back down with the error message. The tank is full, no air in the fuel line or filter. suggesations?


Has this unit been serviced. Sounds like the Flame Sensor is dirty and not sensing flame OR this actually isn't any flame due to an ignitor or fuel issue. Here is a complete explanation and diagnosis of the EE2 problem: Toyostove Error Code EE2

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Because you have the EE2 error I would say there is nothing wrong with the circ fan. Your are either having a problem with fuel flow or the igniter. Feel around the two red wires when you try to start the heater. If they get hot you have a fuel problem. If you also hear a thumbing noise you have a fuel problem.

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No ignition. Check the igniter by feeling around the two red wires when you try to start the stove. They will get very hot so be careful. If the igniter gets hot you have a fuel problem. No fuel, low fuel or dirty filter.

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EE2 usually has to do with fuel flow but could also be a dirty flame rod which can be cleaned with some steelwool. You should check your filter and also the strainer in the heater. Have something to direct the kerosene that will come out of the strainer into a bowl or something or just have some rags or paper towels ready. You can find the owners manual at www.toyostove.com.

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I have an error code of EE2. The system will not


First- do you have enough fuel.
Does the unit ignite or not
More info would help me
Total Toyo
(907) 488-9179

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Gettin an EE2 error - replaced the fule filter at the tank, removed and cleaned the sump screen, no luck. Does the sump screen on this stove fit into the sump with the open aspect of the screen facing the...


The open end goes toward the back of the heater.

Next try cleaning the flue.

Other potential causes for an EE2 are malfunctions of the circuit board, flame sensor or or fuel pump.

-Helping Hands Services
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Oct 11, 2009 | Rinnai Toyostove Direct Vent Heater:...

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EE2 code for toyo laser 56


Hi sammysamual,

My business is Laser Heating Service in the North Pole/Fairbanks areas of Alaska. An EE2 error code is usually fuel related. What does your Toyo do before the EE2 code shows up? If you let me know the sequence of events, I can trouble shoot the problem for you. toyotech

Dec 13, 2007 | Rinnai Toyostove Direct Vent Heater: Laser...

1 Answer

EE2 code for toyo 56


Hi sammysamual,

My business is Laser Heating Service in the North Pole/Fairbanks areas of Alaska. An EE2 error code is usually fuel related. What does your Toyo do before the EE2 code shows up? The firing process is the burner button blinks green for 7-9 minutes, then it clicks up to the medium, yellow light which starts flashing. That is when the fuel pump starts pumping. If you hear a fairly audible tic tic, or thump thump coming from the fuel pump then that is your indication that the fuel pump is starving for fuel. You either have a fuel line restriction, too little fuel, a clogged filter, a clogged sump screen, or rarely, a failing fuel pump. Usually, it is a fuel line restriction.

If you hear no tic tic or thump thump and it just goes off on EE2 then the problem is in the burn chamber. You may have a carbon chain in the chamber causing the flame sensor to temporarily short out. You can clean the flame sensor, fuel nozzle, and igniter to resolve this problem until you can get your Toyo tuned up.

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What Does EE2 Mean? Laser 30, 56, and 73 model Laser heaters cease operation and display
the EE2 code on the control panel (instead of the clock or temperature settings) when the primary
flame rod on the heater fails to sense a flame during the first 5 minutes of the Ignition and Pre-
Heat cycle. On the Laser 55 and 72 the heater will stop and the red Reset lamp will light rather
than the EE2 code. (Note: There may be other reasons for the reset lamp to come on but much of
this information will apply.)
What Can Cause An EE2 Error? The primary flame rod is the only sensor in the heater that
can cause the EE2 error. Thus, if it occurs, either there is (1) no flame to detect, or (2) the
sensor failed to detect the flame. The flame rod is located on the lower 1/3 of the burner. It is a
heavy wire with a ceramic insulator. A single white insulated wire connects this device to the
main circuit board.

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