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INSTALLATION AND OPERATION MANUAL
MF3700, MF3800 Models
Page 23800-345-6007
CumberlandStoveWorks.com
TROUBLESHOOTING GUIDE
Unplug stove before performing any maintenance.
PROBLEM CAUSE: Too rich air/fuel mixture
? Fire burns with a lazy, orange
ameand/orfuelbuildsupinthe
repot.Glassmaybecomedirty.
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
properly sealed.
Checkthatrepotisbackalltheway
and sealing with the potholder
Checkthatexhaustblowerisrunning
and venting properly. If not, check con-
nection and clean or replace.
Moisture content of fuel above 15%. Allow fuel to
dry.
Checkinsideparlorstoveandexhaustpipesfor
blockage.Tapinsidewallsofrebox,cleanbehind
sideaccessplates, cleanre potandrebox vent
holesaboverebrickpanel.
Feed rate is too high for fuel, reduce range set-
ting.
Check to make sure that exhaust vent is not
blocked.
PROBLEM CAUSE: Fire pot burns out of fuel
? Fire goes out or parlor stove
shuts down. Fuel may stop feed-
ing.
Hopperempty,rell
Hopper door is open.
Auger jams. Remove auger and
clean.(Augerjamscanbeaproblemif
poorqualityfuelisused.Orexcessive
nes(sawdust,corncobsorhusk)
are found in hopper. Auger jams are evident when
the auger motor runs but no fuel is delivered.
Hopper switch is not functioning properly or not
conntected to the controller.
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.
Heat sensor. If the operating tem-
perature is too low the parlor stove will
shutdown.
Highlimitsensor.Evidentwhenparlorstoveisex-
tremely hot. Allow parlor stove to cool for one hour
and restart.
Vacuumswitchtripped.Causedbyexhaustblower
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: Loss of vacuum
? Stove fans are not running.
Make sure glass door is shut and
sealed tightly. If not, adjust the door
handle or replace gasket.
Heated room is under negative pres-
sure,checkthemake-upairfansand
ducts.
Faulty fans or control board. Call your dealer or
customer service for advance diagnostics.
WARNING
NEVER SERVICE OR TOUCH THE FEED AUGER WITH
THE STOVE PLUGGED IN.
Contact service provider if above remedies fail, contact dealer or call CSW customer service at 800-345-6007.
WARNING! Negative pressure in a home is a serious issue. If there is a problem, the stove should be installed with a
Fresh Air Kit (not included).