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

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Toyostove laser 55

Blower motor runs ingiter gets so hot it melts solder on ingiter no fuel pump action just runs till I shut off manually wont go on reset .have look at boards no burn marks .it did run after service till turned down thermostat wont start again

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Stove will run 10-15 mins then turns off to reset. Poss. problems.?

Posted on Oct 01, 2008

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Sequence of operation is just like the monitor. combustion blower comes on to purge chamber of fumes. after the delay, the solenoid pump comes on and deposits fuel to the burner mat, within 20 sec the igniter comes on, incandesces and ignites the fuel if there is no flame, the flame rod is supposed to shut down heater and go into a lockout condition until shut off or unplugged to reset. check solenoid pump first. you already know the igniter works. check the fuel filter in the fuel sump might be clogged. check the fuel sump float valve, might be stuck, supposed to hang free in the sump with needle valve open. thermostat is digital just starts and shuts down the burner and solenoid pump.

Posted on Dec 14, 2007


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1 Answer

My heater keeps saying ee2 i know it has fuel , i have checked the screen , what do i do next ? please and thank u

ee2 are these possibilities.
Out of fuel
Fuel tank valve closed
Air pocket in fuel line
Clogged flue pipe
Clogged fuel strainer I
gniter, circuit board,
flame sensor
or fuel pump malfunction
Blower motor malfunction

Apr 10, 2016 | Rinnai Toyostove Direct Vent Heater: Laser...

1 Answer

My lazer 73 is giving me a fan motor error code (EE 8) but I think my fuel pump might be out also. before I take apart the whole stove; is there a way to diagnose the fuel pump?

The fuel pump will make a loud thumping noise if it isn't getting any fuel to it. You can use a long screwdriver like stethoscope and listen to it to see if it is running. It won't start until you see the burner lights come on (about 3 minutes after you turn it on). There is a way also to hook 120vac to it with the fuel line off, but I will have to put that on here tomorrow after I look at one. As far as your fan goes, either take the exhaust hose off the back or remove the front and remove the black rubber boot from the blower motor (easiest). Then use your finger or a pencil and reach in and try to turn the fan. You may hear a slight crunching sound from carbon breaking loose. Keep turning until it turn free. You can use a shop vac to clean some out.

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

1 Answer

Toyo lazer 55 wont ignit took apart cleaned every thing and replaced all gaskets and unit wont start

Check the igniter and make sure it is good. You can check the igniter with an ohmmeter and check the circuit board where the igniter connects for voltage with a voltmeter. A Laser 55 is an old unit and parts are hard to find. Also check the flame rod and make sure the fuel pump kicks on after the preheat time. When you turn it on the blower should start and the igniter should start to preheat the burner. After 3 minutes the fuel pump should kick on. If it is making a loud ticking or thumping sound it isn't getting fuel to the pump. If you do need parts I have an old Laser 55 with some good parts. You can contact me at Use caution when making checks on the circuit board. If you ground something it is likely to ruin your circuit board and those are not longer available. Turn the power off before removing the flame rod. They have power on them and also can ruin the circuit board if you let them touch anything metal on the heater. Let me know what you find.

Oct 24, 2010 | Rinnai Toyostove Direct Vent Heater: Laser...

1 Answer

Lost manual stove is blinking code ee2

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.

Keep us posted,


May 10, 2010 | 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:...

1 Answer

The fuel leaks out thruogh the overflow and pump. Laser 56 Toyost

One possibility is that the float is not working properly.

The unit need to be serviced,

Sep 30, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Toyo 55, igniter gets hardened build-up


Your Laser 55 burner mat has erroded away. The fuel is pooling someplace in the burner rather than spreading smoothly over the bottom. The stuff on the igniter may be hardened carbon from a poor flame. Bottom line is some burner work. A new mat, ring and cleaning the burner air holes is in order. Don't be surprised if the heat chamber is cracked beyond repair when you get it off. NOW for the bad news. The Laser 55 and 72 are older heaters. You will find just about all the electrical parts are going to be hard to find. They are no longer being made. Your 55 will be able to use the newer 56 blower, mat and burner ring. You will also be able to use the heat element off a 56 as well. If there is a problem with the fuel pump causing your poor flame you will be out of luck.

Good luck,

Tom Hawkins

Mar 02, 2009 | Rinnai Toyostove Direct Vent Heater: Laser...

1 Answer

Toyo 73 makes constant noise when running

Could be the blower or fan motor if you haven't had it cleaned in a while.

Nov 24, 2008 | Rinnai Toyostove Direct Vent Heater:...

2 Answers

Laser 73

hot surface ignitor or spark type of ignitor? does it look like a ceramic tube going into the pot? look on your computer board for the abbreviation brn. put the ignitor leads here.

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

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