Cumberland Stove Works OMMF3500 Troubleshooting Guide, Problem Cause Too rich air/fuel mixture

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INSTALLATION AND OPERATION MANUAL

MF3500G, MF3500S, MF3500B Models

TROUBLESHOOTING GUIDE

Unplug stove before performing any maintenance.

WARNING

NEVER SERVICE OR TOuCH THE FEED AUGER WITH THE STOVE PLUGGED IN.

Problem

cause: Too rich air/fuel mixture

? Fire burns with a lazy, orange

Make sure glass door is shut and

Moisture content above 15%. Allow fuel to dry or

flame and/or fuel builds up in the

sealed tightly. If not, adjust door handle

mix with wood pellets.

fire pot. Glass may become dirty.

or replace gasket.

Check inside parlor stove and exhaust pipes for

 

 

 

Check that ash pan is in place and

blockage. Tap inside walls of firebox, clean behind

 

sitting flat to assure a proper seal.

side access plates, clean fire pot and firebox vent

 

Check that exhaust fan is running

holes above firebrick panel.

 

and venting properly. If not, check con-

Feed rate is too high for fuel, reduce heat setting.

 

nection and clean or replace.

Inadequate combustion air available, add combus-

 

 

tion air.

 

 

 

Problem

CAUSE: Fire pot burns out of fuel

 

 

 

? Fire goes out or parlor stove

Hopper empty, refill

The TRI-X controller will instruct to push OFF key

shuts down. Fuel may stop feed-

Auger jams. Remove auger and

until fuel selection is required.

ing.

clean. (Auger jams can be a problem if

 

 

 

 

poor quality fuel is used. Or excessive

 

 

fines (sawdust, corn cobs or husk) are

 

 

found in hopper. Auger jams are evi-

 

 

dent when the auger motor runs but no

 

 

fuel is delivered.

 

Problem

CAUSE: Auger stops turning

 

 

 

? Fire goes out or parlor stove

Feed auger has come loose. Check

High limit sensor. Evident when parlor stove is ex-

shuts down. Fuel may stop feed-

to see if auger motor is turning and au-

tremely hot. Allow parlor stove to cool for one hour

ing.

ger is not.

and restart.

 

NOTE: Feed auger is held to the

Vacuum switch tripped. Caused by exhaust blower

 

auger motor by a coupler that is

not running or venting blocked. Check blower, clean

 

fastened to the feed auger motor.

or replace. Clean venting of blockage.

 

Simply slide the feed auger into the

Auger motor not operating. Inspect connection

 

auger housing and rotate until it fits

 

into the coupler.

and replace if necessary.

 

 

 

Heat sensor. If the operating tem-

 

 

perature is too low the parlor stove will

 

 

shutdown.

 

 

 

 

Problem

CAUSE: Automatic shutdown

 

 

 

? The screen is flashing a fault

Read the fault screen and push the

The OFF key must be pushed three times to clear

message.

OFF key.

the fault or cycle the power.

Most automatic shutdowns occur be- The stove is ready for normal operation when

cause of loss of fire.

the [SELECT FUEL TYPE USE MODE KEY] reads

 

steadily for 30 seconds.

800-345-6007

CumberlandStoveWorks.com

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Contents Multi Fuel Parlor Stove Page Table of Contents Limited lifetime Warranty WarrantyOwnership Records REGISTRATION, Service and Maintenance LOGCumberlandStoveWorks.com Power Outage Automatic Safety FeaturesBurning Solid Fuels IntroductionWood Pellets Glass Specifications SpecificationsAssemble ASH Shuttle ROD Unpacking and AssemblyMount Legs Mount Handle to Hopper DoorMount Round Exhaust Transition Plug in Power CordInstallation Stove PlacementFloor Protection Requirements Clearances to Combustibles Mobile Home Outside AIR ConnectionPellet Vent Installation VentingType of Vent Vent Termination Clearances Venting Installation ExamplesUnderstanding the TRI-X Controller Operating InstructionsADD Fuel KEY Understanding the Normal Heat ScreensCorn AS Fuel Push AUX 1 to SET Starting Fire Level Shutdown Sequence of Events Startup Sequence of EventsLighting the Stove Lighting ProcedureTurning the stove off Normal Care & Maintenance Daily Maintenance Weekly MaintenanceSeasonal Cleaning Ordering Repair Parts Troubleshooting & repairProblem Cause Too rich air/fuel mixture Troubleshooting GuideProblem Cause Loss of vacuum Startup Check Exhaust OFF Understanding the Fault ScreensMain Assembly Parts KEY # Description ASH PAN Parts Glass Door PartsCirculating AIR Duct Parts Exhaust Parts Auger Parts Electric Panel Parts Wiring Diagram Ardisam