Cumberland Stove Works OMMF3500 - Manual (Page 27)

INSTALLATION AND OPERATION MANUAL
MF3500G, MF3500S, MF3500B Models
Page 5 800-345-6007 CumberlandStoveWorks.com
TROUBLESHOOTING GUIDE
Unplug stove before performing any maintenance.
PROBLEM CAUSE: Too rich air/fuel mixture
? Fire burns with a lazy, orange
flame and/or fuel builds up in the
fire pot. Glass may become dirty.  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.
 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.
PROBLEM CAUSE: Fire pot burns out of fuel
? Fire goes out or parlor stove
shuts down. Fuel may stop feed-
ing.  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.
 The TRI-X controller will instruct to push OFF key
until fuel selection is required.
PROBLEM CAUSE: Auger stops turning
? Fire goes out or parlor stove
shuts down. Fuel may stop feed-
ing.  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.
 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.
PROBLEM CAUSE: Automatic shutdown
? The screen is flashing a fault
message.  Read the fault screen and push the
OFF key.
 Most automatic shutdowns occur be-
cause of loss of fire.
 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.
WARNING
NEVER SERVICE OR TOUCH THE FEED AUGER WITH
THE STOVE PLUGGED IN.