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STOVE FEEDS PELLETS, BUT WILL NOT IGNITE AND
SHOWS WARNING CODE “L”
Possible Causes: Possible Remedies:
1. Air damper open too far for ignition.
Adjust the air supply to the minimum setting for startup. In some situations, it may
be necessary to have the damper completely closed for ignition to take place. Once
there is a flame, the damper can be adjusted to the desired feed setting.
2. Blockage in igniter tube or inlet for igniter tube.
Remove the burn pot and clean it thoroughly. Make sure that all openings are clear.
Find the place where the igniter tube comes out of the burn pot housing. It is a small
tube located on the back of the burn pot housing. Make sure it is clear. Make sure
there is no debris around the igniter element or inside the igniter tube.
3. Defective igniter element.
Supply power directly to the igniter element. Watch the tip of the igniter from the
front of the stove. After about 2 minutes, the tip should glow. If it does not, the
element is defective and must be replaced. You may need a technician to perform
this test.
4. The thermistor heat sensor has malfunctioned.
The thermistor is a heat sensor attached to the exhaust housing. Its function is to
tell the control board that the unit has ignited properly by measuring the temperature
in the exhaust. The stove will not feed pellets at the desired heat setting until it
has received a signal from the thermistor heat sensor. If the thermistor heat sensor
is bad, the unit will go out and stop after the ignition cycle. If this situation occurs,
call your dealer or technician.
5. The control board is not sending power to the igniter.
Check the voltage going to the igniter during ignition. It should be a full current. If
the voltage is lower than full current, check the wiring. If the wiring is functional and
properly connected, the board is defective. You will need a technician to perform
this test.
6. The burn pot gaskets are missing or have to be replaced
Burn pot gaskets are located in the metal ring at the bottom of the burn pot. These
gaskets prevent heat lost from the igniters to get a fastest ignition.
STOVE FEEDS PELLETS, BUT WILL NOT IGNITE
AND SHOWS WARNING CODE “I”
Possible Causes: Possible Remedies:
1. The igniter fuse on the control board has blown.
Remove the control board and check at the back to see if the F3 fuse is good,; if
not replace it with a 5 Amp 250V fuse. Plug the stove back and try to run the
unit.
STOVE STOPS FEEDING PELLETS AND SHOWS
WARNING CODE “O”
Possible Causes: Possible Remedies:
1. The L-250 manual reset high temperature switch has tripped.
Using the owner’s manual, locate the L-250 high temperature switch.
There is a red button on it. Press the red button. If you hear a click, the
high limit had tripped. Reset the stove. The stove should now function
normally. YOU NEED TO INSPECT YOUR UNIT AT THIS POINT. The F-
250 high temperature switch will trip if the unit overheats. There might be
a problem with another component or the installation, causing the stove to
overheat. Make sure that the convection blowers work. If one of the
convection blowers has failed, this can cause the unit to overheat. Clean
any dust off of the windings and blades of the convection blower. Call
your dealer or a technician if you get this code again.