TROUBLESHOOTING

 

 

 

EYF Series Unvented Gas Log Set

 

 

 

 

 

 

 

Problem

 

Possible Cause

 

Solution

 

 

 

 

 

 

 

ODS/pilot lights, but flame

1.

Control knob not fully pressed in.

1.

Press in control knob fully.

 

goes out when control

2.

Control knob not pressed in long

2.

After ODS/pilot lights, keep control knob

 

knob is released.

 

enough.

 

pressed in for 30 seconds.

 

 

3.

Manual shutoff valve not fully open.

3.

Fully open manual shutoff valve.

 

 

 

 

 

 

 

 

4.

Thermocouple connection loose at

4.

Hand tighten thermocouple connection

 

 

 

control valve.

 

until snug, then tighten 1/4 turn more.

 

 

5.

Pilot flame not touching thermo-

5.

Contact local gas company.

 

 

 

couple, 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 dur-

1.

Burner orifice is clogged or dam-

1.

Clean burner or replace burner orifice.

 

 

aged.

 

 

 

ing initial operation.

 

 

 

 

2.

Burner is damaged.

2.

Replace burner.

 

 

 

 

3.

Gas regulator is defective.

3.

Replace gas regulator.

 

 

 

 

 

 

 

Logs appear to smoke

1.

Vapors from paint or curing process

1.

Problem will stop after a few hours

 

 

of logs.

 

of operation. Run the heater with the

 

after initial operation.

 

 

 

 

 

 

damper open if you have one, or open a

 

 

 

 

 

 

 

 

 

 

window for the first few hours.

 

 

 

 

2.

Log heater is intended to be smoke-

 

 

 

 

 

less. Turn OFF heater and call qualified

 

 

 

 

 

service person.

 

Heater produces a whis-

1. Turning control knob to HIGH posi-

1.

Turn control knob to LOW position and

 

tling noise when burner is

 

tion when burner is cold.

 

let warm up for a minute.

 

lit.

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 burner

3.

Clean burner or replace burner orifice.

 

 

 

orifices.

 

 

 

No gas to pilot.

1.

LP regulator shut down due to inlet

1.

Verify LP tank regulator is installed and

 

 

pressure too high.

 

set at 11” to 13” w.c.

 

 

 

 

 

 

 

 

2.

Replace regulator on heater.

 

 

 

 

 

 

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.

65D1009

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Monessen Hearth EYF18, EYF24 manual Troubleshooting
Page 24 Page 26

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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