Smoke Smell Coming Back Into The Home - Napoleon NPS45 Installation And Operating Instructions Manual

SYMPTOM

SMOKE SMELL COMING BACK INTO THE HOME

There is a leak in
- Inspect all vent pipe connections. Make sure they are sealed with RTV silicone that has a temperature
the vent pipe system.
The gasket on the - Inspect both gaskets on the combustion blower to make sure they are in good shape.
combustion blower
has deteriorated.
CONVECTION BLOWER SHUTS OFF AND COMES BACK ON
The convection - Try lubricating the convection blower. Also, clean any dust off of the windings and fan blades. If oiling
blower is overheating
and tripping the high
limit switch.
Electronic control - Test the current going to the convection blower. If there is power being sent to the blower when it is shut
panel malfunction.
HEATER WILL NOT FEED PELLETS BUT AUGER LIGHT COMES ON
Fuse on control board - Remove the control board. If the fuse appears to be defective, replace it with a 5 Amp 250 Volt fuse. Plug
blew.
High limit switch has
- Wait for the heater to cool for about 30-45 minutes. It should now function normally. If not use the manual to locate
tripped or is defective.
Bad auger motor. - Remove the auger motor from the auger shaft and try to run the unit. If the motor will turn, the shaft is
Auger jam.
- Start by emptying the hopper.
- The auger shaft may be jammed. For more information see "IN THE EVENT OF A JAMMED AUGER"
Loose wire or - Check all wires and connectors that connect to the auger motor, high limit switch and the Molex connector.
connector.
Defective control
- If the fuse is good, the wires and connectors check out good and high limit switch did not trip, test for
board.
GLASS SOOT'S UP AT A VERY FAST RATE
FLAME IS LAZY, DARK AND HAS BLACK TIPS
AFTER HEATER HAS BEEN ON FOR A WHILE, THE BURNPOT OVERFILLS
Heater or vent pipe is dirty, - Follow all cleaning procedures in the maintenance section of the manual.
which restricts airflow
through the burnpot.
Vent pipe installed
- Check to make sure the vent pipe has been installed according to the criteria in the manual.
improperly.
Burnpot holes are - Remove the burnpot and thoroughly clean it.
blocked.
Blockage in air intake
- Visually inspect the air intake pipe that leads into the burnpot for foreign material.
pipe.
rating of 500°F or higher. Also, seal joints with UL-181-AP foil tape. Also, make sure the square to round
adapter piece on the combustion blower has been properly sealed with the same RTV.
the blower does not help, the blower my be defective.
off, then the control board is fine. If there is NO power being sent to the blower when it shuts off during
operation, then you have a bad control board.
the heater back in and try to run the unit.
the high limit switch. To test if the switch is bad, you can bypass it as described previously for the high limit switch.
jammed on something. If the motor will not turn, the motor is defective.
section.
power going to the auger motor. If there is not a full current going to the auger motor when the fuel feed
light is on, you have a defective control board.
TEST SOLUTION
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TP - TROUblE ShOOTING_PEllET_45_3
W415-0702 / 10.30.08