Troubleshooting Guide - Cumberland Stove Works OMMF3500 Operator's Manual

TROUBLESHOOTING GUIDE
Unplug stove before performing any maintenance.
PROBLEM
? Fire burns with a lazy, orange
flame and/or fuel builds up in the
fire pot. Glass may become dirty.
PROBLEM
? Fire goes out or parlor stove
shuts down. Fuel may stop feed-
ing.
PROBLEM
? Fire goes out or parlor stove
shuts down. Fuel may stop feed-
ing.
PROBLEM
? The screen is flashing a fault
message.
800-345-6007
Make sure glass door is shut and

sealed tightly. If not, adjust door handle
or replace gasket.
 Check that ash pan is in place and
sitting flat to assure a proper seal.
 Check that exhaust fan is running
and venting properly. If not, check con-
nection and clean or replace.
CAUSE: Fire pot burns out of fuel
 Hopper empty, refill
Auger jams. Remove auger and

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.
Feed auger has come loose. Check

to see if auger motor is turning and au-
ger is not.
NOTE: Feed auger is held to the
auger motor by a coupler that is
fastened to the feed auger motor.
Simply slide the feed auger into the
auger housing and rotate until it fits
into the coupler.
 Heat sensor. If the operating tem-
perature is too low the parlor stove will
shutdown.
 Read the fault screen and push the
OFF key.
 Most automatic shutdowns occur be-
cause of loss of fire.
CumberlandStoveWorks.com
INSTALLATION AND OPERATION MANUAL
MF3500G, MF3500S, MF3500B Models
WARNING
NEVER SERVICE OR TOUCH THE FEED AUGER WITH
THE STOVE PLUGGED IN.
CAUSE: Too rich air/fuel mixture
Moisture content above 15%. Allow fuel to dry or

mix with wood pellets.
 Check inside parlor stove and exhaust pipes for
blockage. Tap inside walls of firebox, clean behind
side access plates, clean fire pot and firebox vent
holes above firebrick panel.
Feed rate is too high for fuel, reduce heat setting.

Inadequate combustion air available, add combus-
tion air.
 The TRI-X controller will instruct to push OFF key
until fuel selection is required.
CAUSE: Auger stops turning
High limit sensor. Evident when parlor stove is ex-

tremely hot. Allow parlor stove to cool for one hour
and restart.
 Vacuum switch tripped. Caused by exhaust blower
not running or venting blocked. Check blower, clean
or replace. Clean venting of blockage.
 Auger motor not operating. Inspect connection
and replace if necessary.
CAUSE: Automatic shutdown
 The OFF key must be pushed three times to clear
the fault or cycle the power.
 The stove is ready for normal operation when
the [SELECT FUEL TYPE USE MODE kEY] reads
steadily for 30 seconds.
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