INSTALLATION AND OPERATION MANUAL

MF3700, MF3800 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 of fuel above 15%. Allow fuel to

flame and/or fuel builds up in the

sealed tightly. If not, adjust door handle

dry.

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

 

properly sealed.

side access plates, clean fire pot and firebox vent

 

Check that firepot is back all the way

holes above firebrick panel.

 

and sealing with the potholder

Feed rate is too high for fuel, reduce range set-

 

Check that exhaust blower is running

ting.

 

and venting properly. If not, check con-

Check to make sure that exhaust vent is not

 

nection and clean or replace.

blocked.

 

 

 

Problem

CAUSE: Fire pot burns out of fuel

? Fire goes out or parlor stove

Hopper empty, refill

are found in hopper. Auger jams are evident when

shuts down. Fuel may stop feed-

Hopper door is open.

the auger motor runs but no fuel is delivered.

ing.

 

Hopper switch is not functioning properly or not

 

Auger jams. Remove auger and

 

conntected to the controller.

 

clean. (Auger jams can be a problem if

 

 

poor quality fuel is used. Or excessive

 

 

fines (sawdust, corn cobs or husk)

 

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.

 

Heat sensor. If the operating tem-

Vacuum switch tripped. Caused by exhaust blower

 

perature is too low the parlor stove will

not running or venting blocked. Check blower, clean

 

shutdown.

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

Faulty fans or control board. Call your dealer or

 

sealed tightly. If not, adjust the door

customer service for advance diagnostics.

 

handle or replace gasket.

 

 

Heated room is under negative pres-

 

 

sure, check the make-up air fans and

 

 

ducts.

 

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).

800-345-6007

CumberlandStoveWorks.com

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Cumberland Stove Works MF3700, MF3800 warranty Troubleshooting Guide, Problem Cause Too rich air/fuel mixture
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MF3700, MF3800 specifications

Cumberland Stove Works is renowned for producing high-quality wood and pellet stoves that combine traditional efficiency with modern technology. Among their standout models are the MF3800 and MF3700, both of which showcase the company’s commitment to craftsmanship, innovation, and user satisfaction.

The MF3800 and MF3700 are designed for exceptional heating performance while offering expressive aesthetics that complement any home environment. These stoves are equipped with powerful heating capabilities, making them ideal for larger spaces. With robust construction and a focus on efficiency, both models have been engineered to provide maximum heat output while minimizing fuel consumption.

One of the most notable features of the MF3800 is its large firebox, which allows for an extended burn time. This capability translates into less frequent reloading, making it a convenient choice for busy households. The MF3700, while slightly smaller, still boasts an impressive firebox design, accommodating ample logs for efficient heating. Both models are equipped with a state-of-the-art air control system that optimizes combustion, ensuring a clean and efficient burn.

Both stoves incorporate advanced technologies such as secondary combustion systems that enhance fuel efficiency and reduce emissions. This means that users not only save on fuel costs but also contribute to a cleaner environment. The MF3800 and MF3700 feature a large viewing window, framed with durable glass, that allows occupants to enjoy a mesmerizing view of the flames while ensuring safety and heat retention.

Another significant characteristic of these models is the ease of use facilitated by user-friendly controls. The stoves are designed to be simple to operate, enabling users to adjust the airflow and temperature settings with minimal effort. This ensures a consistent and comfortable heat output that can be tailored to individual preferences.

In terms of decorative appeal, both stoves come with various finishes and accessory options, allowing homeowners to customize them to fit their decor. With a focus on longevity and reliability, Cumberland Stove Works provides a durable warranty, giving customers peace of mind with their investment.

In summary, the MF3800 and MF3700 models from Cumberland Stove Works represent a perfect blend of functionality, efficiency, and style, making them excellent choices for anyone looking to enhance their home heating solution.
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