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

3 Answers

Toyostove laser 73

EE2 error code I have changed ignitor, flame sensor, fuel pump, burn pan exhaust pipe have cleaned out the entire system. There is no water in the fuel did that check. Tank is the right height above the floor. So is it the board and is it easy to change?

Posted by on

3 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 2 Answers
Re: 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 fun) Good luck!

Posted on Jan 26, 2008

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 2 Answers
Re: toyostove laser 73 - Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping Heaters

Blower motor was my malfunction

Posted on Aug 30, 2010

  • Level 1:

    An expert who has achieved level 1.


    An expert who has answered 20 questions.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 57 Answers
Re: toyostove laser 73

Not an expert but have you looked in the heat chamber by the igniter? Carbon build up could be shorting out the igniter as it tries to light. I've been having problems myself and this is what happened to me. Also, if you have excessive buildup check to make sure all your exhaust piping is secure and tight where it should be.

Again I am not an expert. Just offering advice.


Posted on Jan 26, 2008

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

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

Feb 07, 2016 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

My toyp laser 73 is displaying ee2. we have fuel, what should I look for.?

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...

Feb 15, 2011 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

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
Fairbanks, Alaska

Oct 11, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

It say E2 missed ignition,dont have owner manual to figure out what to do

Common causes for an EE2

-no fuel
--out of fuel
--tank too low
--valve closed
--air pocket (recently out of fuel)
--clogged fuel filter
--clogged fuel strainer (inside the unit)

-clogged flue

-malfunction of:
circuit board
flame sensor
fuel pump
blower motor
(or otherwise cannot get fuel)

It's a common error that could be alot of things ensuring that the unit is recieving fuel is the first thing to check.

If the heater hasn't been serviced in the last year or 2, it wouldn't be a bad idea to have a service technician go through it.

-Helping Hands Services
Fairbanks, Alaska

Oct 08, 2009 | Rinnai Toyostove Direct Vent Heater:...

2 Answers

Toyo Laser 73, starts, fires then goes out, flashes EE02

here is the problems associated with code EE02.
problem cause solution
no ignition: out of fuel check fuel gauge or tank, refuel

fuel tank valve closed open valve turning clockwise

air pocket in fuel line push reset button on the fuel sump, located right inside .

clogged flue pipe clean flue pipe

clogged fuel strainer clean fuel strainer

ignitor,circuit board, consult dealer
flame sensor, or fuel
pump malfunction.

it sounds like it may be a clogged strainer located in fuel sump or a bad circuit board hope this helps

Jan 22, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Toyostove Laser 73 EE2

Not having a cleaning in the last couple years may be the problem. Carbon build up in the burner pot and on the flame rod (a chain of carbon) will cause the flame to not be sensed. Then the flame will burn out. A temp solution would be to unplug the stove, then unscrew and jiggle the flame rod to break the chain. When tightening the screws do not over tighten. You could also try hitting the edge of the pot to see if you can knock the carbon loose. You could also have a warped burner ring which would cause problems keeping the stove running.

Nov 03, 2008 | Rinnai Toyostove Direct Vent Heater:...

4 Answers

Toyostove Laser 56 EE 2 error


I have been working on Toyo's for 14 years now. During this time I have never seen a flame rod that was bad except ones that people have broken themselves. The rod is just a piece of heavy wire that is insulated against the pot. It is almost impossible to mess it up. Now, that being said, you can have a problem with the flame rod being dirty or sooted. Since your stove is so new I would look at the fuel system. If it is clean I would go after the burner mat. There have been mats lately on new stoves that have caused them to soot up. When this happens the flame rod gets covered with soot and gives the EE2 message. A new stove that has a burner mat problem would be covered by the warranty. Bad fuel that causes a problem will not be covered. The other thing that is not covered is a stove that has had an iced up the exhaust pipe. A good dealer should be able to help you get the stove going and explain the warranty.

Tom Hawkins

Jan 06, 2008 | Rinnai Toyostove Direct Vent Heater:...

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.

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

1 Answer

EE2 code for toyo 3

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.

Dec 12, 2007 | Rinnai Toyostove Direct Vent Heater: Laser...

4 Answers

Toyostove laser 73 heater with a EE 2 error

replace the flame rod. or it could be the computer board for the flame rod. flame rod detects the presence of a flame.

Dec 01, 2007 | Rinnai Toyostove Direct Vent Heater:...

Not finding what you are looking for?
Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping Logo

616 people viewed this question

Ask a Question

Usually answered in minutes!

Top Rinnai Heaters Experts


Level 3 Expert

1751 Answers


Level 1 Expert

53 Answers

Kenneth Wilson
Kenneth Wilson

Level 1 Expert

45 Answers

Are you a Rinnai Heater Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides