Napoleon Fireplaces NPI40, NPS40 manual Has tripped Heater will

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38

TROUBLESHOOTING CONTINUED

 

SYMPTOM

TEST SOLUTION

 

 

 

The 200°F (93°) - Reset the sensor and determine whether it was the convection blower or 160°F (71°C)

high limit tem- temperature sensor failure. Bypass the 160°F (71°C) sensor. Does the convection perature sensor blower not come on high? If no than replace the blower.

has tripped

The heater will

- Disconnect one of the brown wires from the exhaust temperature sensor and if the unit

not turn off

continues to operate, contact your local dealer for service.

 

- Compare the wiring diagram to the start control module and the connections to the

 

140°F (60°C) temperature sensor. Check the connections.

 

- Remove one of the brown wires from the 140°F (60°C) temperature sensor. The heater

 

should be shut down right away as long as the start button was not pressed within 15

 

minutes of this test. If the heater shuts down within 15 minutes, replace the 140°F

 

(60°C) sensor. If the heater does not shut down in 15 minutes, test the switch.

 

- The heater must be cold to test the switch. Pull the plug, then plug the heater back in. If

 

the heater fails to start, replace the switch.

 

 

The heater keeps - Due to different installation set ups, length and size of venting and fuel quality, the low

going out feed setting from the factory will not always be correct. It may be necessary to experiment with feed rate vs air control. (For example, #2 may be your lowest setting).

-If the heater goes out and leaves fresh unburned pellets or cigarette-like ashes in the burn pot, the fi re is going out before the heater shuts off.

-Check to see if the air control rod is in the correct position.

-Turn the feed rate up slightly (poor quality pellets will require slightly higher settings).

-Check to see if the heater needs a more complete cleaning as well as the burn pot, venting, etc...

-Was there a power failure?

-Contact your local dealer for service

-If the heater goes out and there are no pellets in the liner, the auger is stopping.

-See "The auger motor will not function normally" and "The exhaust blower will not function normally".

Excessive carbon build up in the firebox, low heat out put

-Check quality of pellets. Even pellets from the same manufacturer can vary in quality since the materials they use to form pellets may also vary.

-Moisture content of pellets too high. Pellets must be stored in a dry place. Areas such as a garage are too damp causing pellets to absorb moisture.

W415-0616 / B / 02.18.08

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Contents W415-0616 / B $10.00 Table of Contents Napoleon Pellet Heaters Presidents Lifetime Limited Warranty W415-0616 / B W415-0616 / B General Introduction SpecificationsHeating Specifications General InstructionsDimensions Figures 1a-bFigures 3a-c Figures 4a-c General Installation Mobile Home Safety FeaturesOutside AIR Type of Vent Installing the Pellet VentGeneral Venting Venting the Pellet HeaterI B F Corner Installation NPS40 InstallationMinimum Clearance to Combustibles Straight Installation Venting Installation Examples Minimum Inside Vertical Clearances Class a Chimney RetrofitNPI40 Installation NPI40 Installation Overview Installation Into a BUILT-IN EnclosureInstallation Into a Masonry Fireplace Prior to Installation Vertical Liner InstallationInstallation Into a Masonry Fireplace Liner Installation W415-0616 / B Minimum Enclosure Clearances NPI40 Finishing Flashing InstallationInstall Viewing Door NPS40 and NPI40 Trivet NPI40START-UP Operating InstructionsSHUT-DOWN Lighting Heater ManuallyCleaning the Heat Exchange Tubes Disposal of Ashes General Maintenance NPS40 and NPI40Cleaning Glass Door Open Main Viewing DoorVacuum Firebox Cleaning the Burn POTMake Sure Pellets are not Piling UP Vacuum Hopper Clean the Vertical Exhaust DuctClean Exhaust Housing Insert only Soot and FLY ASH FormationCheck ALL Seals Clean the Exhaust BlowerClean the Vent Normal Operating Sounds Wiring Diagram Replacements Common Replacements Parts NPS40 Replacements Parts NPI40 Replacements Parts NPI40 Accessory Parts Troubleshooting Symptom Test SolutionHeater will General Has tripped Heater will Ownership Records Service and Maintenance LOGService Date Service Technician Service Description W415-0616 / B
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