TROUBLESHOOTING

WARNING WARNING

If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately.

 

OBSERVED PROB-

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

 

 

 

 

ODS/pilot lights, but flame

1.

Control knob not fully pressed in.

1.

Press in control knob fully.

 

 

goes out when control knob

2.

Control knob not pressed in long enough.

2.

After ODS/pilot lights, keep control knob pressed

 

 

is released.

 

 

 

in for 30 seconds.

 

 

 

3.

Manual shutoff valve not fully open.

3.

Fully open manual shutoff valve.

 

 

 

4.

Thermocouple connection loose at control

4.

Hand tighten until snug, then tighten

 

 

 

 

valve.

 

1/4 turn more.

 

 

 

5.

Pilot flame not touching thermocouple,

5.

Contact local gas company.

 

 

 

 

which allows thermocouple to cool, causing

 

 

 

 

 

 

pilot flame to go out. This problem could

 

 

 

 

 

 

be caused by either low gas pressure, or a

 

 

 

 

 

 

dirty or partially clogged ODS/pilot.

 

 

 

 

 

6.

Thermocouple damaged.

6.

Replace thermocouple.

 

 

 

7.

Control valve damaged.

7.

Replace control valve

 

 

 

 

 

 

 

 

 

Burner does not light after

1.

Burner orifice is clogged.

1.

Clean burner or replace burner orifice.

 

 

ODS/pilot is lit.

2.

Burner orifice diameter is too small.

2.

Replace burner orifice.

 

 

 

3.

Inlet gas pressure is too low.

3.

Contact qualified service person.

 

 

 

 

 

 

 

 

 

Burner backfires during

1.

Manifold pressure is too low.

1.

Contact local gas company.

 

 

combustion.

2.

Burner orifice is clogged.

2.

Clean burner or replace burner orifice.

 

 

 

 

 

 

 

 

 

Slight smoke or odor during

1.

Burner orifice is clogged or damaged.

1.

Clean burner or replace burner orifice.

 

 

initial operation.

2.

Burner is damaged.

2.

Replace burner.

 

 

 

3.

Gas regulator defective.

3.

Replace gas regulator.

 

 

 

 

 

 

 

 

 

Logs appear to smoke after

1.

Vapors from paint or curing process of logs.

1.

Problem will stop after a few hours of operation.

 

 

initial operation.

 

 

 

Run the heater with the damper open if you have

 

 

 

 

 

 

one, or open a window for the first few hours.

 

 

 

 

 

2.

Log heater is intended to be smokeless. Turn OFF

 

 

 

 

 

 

heater and call qualified service person.

 

 

 

 

 

 

 

 

 

Heater produces a whistling

1.

Turning control knob to HIGH position

1.

Turn control knob to LOW position and let warm

 

 

noise when burner is lit.

 

when burner is cold.

 

up for a minute.

 

 

 

2.

Air in gas line.

2.

Operate burner until air is removed from line.

 

 

 

 

 

 

Have gas line checked by local gas company.

 

 

 

3. Dirty or partially clogged burners orifice.

3.

Clean burner or replace burner orifice.

 

 

 

 

 

 

 

 

 

No gas to pilot.

1.

LP-regulator shut down due to inlet pressure

1.

Verify LP tank regulator is installed and set at

 

 

 

 

too high.

 

11" to 13" w.c.

 

 

 

 

 

2.

Replace regulator on heater.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65D1009

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Monessen Hearth EYF18, EYF24 operating instructions ODS/pilot lights, but flame
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EYF24, EYF18 specifications

The Monessen Hearth EYF24 and EYF18 represent a perfect blend of style, efficiency, and innovative technology in the world of vent-free gas fireplaces. Designed for homeowners who desire warmth and ambiance without the complexities of traditional fireplaces, these units stand out as reliable heating solutions.

The EYF24 and EYF18 are designed with a sleek and modern aesthetic, making them suitable for a variety of home decors. Their compact size allows for versatile installation options, making them ideal for both small spaces and larger living areas. With a focus on ease of use, both models come equipped with user-friendly controls, enabling homeowners to adjust the flame height and heat output effortlessly.

One of the standout features of these Monessen fireplaces is their vent-free technology. This allows the units to operate efficiently without the need for a chimney or flue, which means less installation cost and hassle. The design also facilitates greater flexibility in placement, as they can be installed in virtually any room. Whether you want to enhance a cozy den or add warmth to a larger gathering space, the EYF24 and EYF18 are adaptable to your needs.

Another notable characteristic is their high-efficiency rating. Both models utilize advanced burner technology that maximizes heat output while minimizing energy consumption. This capability not only ensures a comfortable indoor environment but also helps in reducing heating costs. The units are designed to generate realistic flames, creating an inviting ambiance that can be enjoyed year-round.

In terms of safety, Monessen has integrated several features into the EYF24 and EYF18. The oxygen depletion sensor (ODS) automatically shuts off the unit if oxygen levels fall below safe limits, providing peace of mind for homeowners. Additionally, the units are designed to operate quietly, allowing for an undisturbed living experience.

Customization options also abound with these models. Homeowners can select from a range of decorative media, including logs, stones, and glass, to personalize their fireplace's appearance. This flexibility ensures that each installation can be uniquely tailored to match individual tastes and home styles.

In conclusion, the Monessen Hearth EYF24 and EYF18 fireplaces are excellent choices for anyone seeking a stylish, efficient, and safe heating solution. With their modern design, vent-free technology, and user-friendly features, they offer an inviting and warm atmosphere that can enhance any home environment.
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