Question about Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping
I've been fiddling with this for a couple weeks, it's the heater in my shop. So far I've checked and cleaned the flame detector, fire pot, fuel nozzle. I removed the fuel pump and disassembled and cleaned that. I have plenty of fuel in the tank and have good flow. The heater will start up as it should but will only run for a minute or so then shuts down and flashes EE 02.
If you have an EE2 and a flooded sump, you have a problem. Your fuel is contaminated and caused the sump valve to leak fuel into the sump when it was supposed to be closed. This fills the sump up and the valve gets stuck closed on the magnet. Fuel leaks by and spills over. The stove will light but only run for a short while. You may see an EE6 or EE2. When was the last time you changed the filter? Bottom line, if the flooding continues you will need to change the sump. I doubt the fuel pump is bad . Once the flooding is controlled you can check the pump. Remove the fuel line at the burner and put a cup under it. Try to start the stove. When the Med or Low burner light lights up you should see fuel. If not and there is no thumping noise the pump is bad.
Keep us posted,
Posted on Feb 26, 2009
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
it sounds like it may be a clogged strainer located in fuel sump or a bad circuit board hope this helps
Posted on Jan 23, 2009
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