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

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Laser 73, burner lites, then green yellow red lights all flash for about a minute then unit shuts down ee-2

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I was told all lights flashing means the pot is flooded. Unplug your heater. Take take the cover off. Unscrew the igniter and pull it out. Roll up a piece of paper towel, put it in there and see if it absorbs any fuel.

You could also be in need of a cleaning. If your burner pot is full of carbon, a chain of it will attach itself to the flame sensor rod, thus putting out the fire. Also if your burner ring in the burner pot is too warped this will put the flame out.

;)

Posted on Dec 09, 2008

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2 Answers

Toyostove Laser 73 heater will not run, and the low/med/hi lights flash on and off?


Remove front grille by taking out two screws at lower right and left front sides of stove. slightly pull botom front of grille toward you and lift up and off. Look for two red wires going into burner chamber, the wires will be incased in a gray plastic sheath as they enter chamber. Push on buton like you are trying to start the heater. While it is going through start up process hold the gray plastic sheath with two fingers and see if the sheath does not get warm in a short period of time the igniter is bad and will need to be replaced. This can be cause by water getting into the burner chamber and causing the igniter to crack.

Jan 05, 2013 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Toyo stove laser 73 throws a EE 2 code and back fan will not come on.


EE 2 can be caused by a couple of things but is usually a fuel issue or a flame rod problem. The circulation fan will not come on until the burner has warmed up. The combustion blower should start almost as soon as you turn the heater on. Turn the heater on and listen for the combustion blower. If it doesn\'t start, do you get an error code? If the blower started wait for the fuel pump to come on. It will start when the burner lights come on. If the fuel pump makes a loud ticking or thumping sound, it isn\'t getting any fuel. Check the fuel filter and the strainer in the fuel sump. Make sure the valve is turned off at the barrel before removing the fuel strainer. If the fuel pump is working normally, does the heater light up. If it doesn\'t, check the igniter. You can check that first if you want and have a clamp on ammeter. Place it around one of the igniter leads and you should read 2 to 4 amps when you turn the heater on. If the heater does light but then cuts off after about a minute, clean the flame rod. Unplug the heater before removing the flame rod because it may kill the circuit board if the heater is plugged in and the flame rod touches ground. Let me know what you find.

Jan 18, 2011 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Laser 73 fire will start but the circulation fan will not start. will eventually overheat and then shut down with EE 2 error. Whats up?


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.

Tom

Sep 27, 2010 | Rinnai Toyostove Direct Vent Heater:...

2 Answers

I have a Toyostove Lasr 73 which started complaining of an EE 2 (ignition failure) on startup just this morning. The fuel lifter seems to be working and I can smell a bit of kerosene in the heater, so I...


An EE 2 message can mean 2 things
Ignition never happened or unit did not sense flame
You should see the Igniter glow through the peep window during
pre-heat, easy er to see with front cover off.
If you do see a glow and flame happens, but unit still errors out.
Try to clean flame rod sensor.
Unplug unit.
Single white wire going to burner pot. (pull straight down)
2 screws hold a plate
Turn sensor to 3 o'clock or 9 o'clock position
pull sensor out easily
Clean sensor with sandpaper- down to shiny metal
Good Luck

Dec 14, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Ds lite flashes on but fuses are ok


One or both your screens have blown.

Try removing the motherboard from the screens and attach the battery the green light should turn on and stay on.

Now attach the lower screen and turn on. If the screen is ok the screen and green light will flash and then turn off. (if the screen doesn't flash the bottom screen is you're problem and will have to be replaced)

If this happens the problem is then you're top screen which you will have to replace.

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Does not extinguish


If your fuel was yellow it was #2 home heating oil. Toyotomi Laser heater run well on #1. Since yours in giving you a EE10 message you are going to have to open the burner and clean it, the blower and the heat exchanger. The air holes are blocked on the burner and it takes too long to burn the fuel up, EE10.
This is a dirty job but not that difficult. Try toyotomiusa.com/ and use their dealer locator. You should find a dealer in South Dakota that will be able to get you some gaskets you might need.

Good luck,

Tom Hawkins
hawkins111@gci.net

Jan 27, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

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!

Nov 10, 2008 | 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 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:...

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