Monessen Hearth EYF24, EYF18 Problem, Possible Cause, Solution, EYF Series Unvented Gas Log Set

Models: EYF24 EYF18

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Problem

EYF Series Unvented Gas Log Set

TROUBLESHOOTING

WARNING

Turn off appliance and allow to cool before cleaning.

Only a qualified service person should service and reapir the heater.

NOTE: All troubleshooting items are listed in order of operation.

Problem

 

Possible Cause

 

Solution

When ignitor button is

1.

Ignitor electrode positioned wrong.

1.

Replace ignitor.

pressed, there is not spark

2.

Ignitor electrode is broken.

2.

Replace ignitor.

at ODS/pilot.

3.

Ignitor electrode not connected to

3.

Reconnect ignitor cable.

 

 

 

ignitor cable.

 

 

 

 

 

 

 

 

4.

Ignitor cable pinched or wet. Keep

4.

Free ignitor cable if pinched by any

 

 

ignitor cable dry.

 

metal or tubing.

 

 

 

 

 

 

5.

Broken ignitor cable.

5.

Replace ignitor cable.

 

6.

Bad piezo ignitor.

6.

Replace piezo ignitor.

 

 

 

Appliance produces un-

1. Appliance burning vapors from

1. Ventilate room. Stop using odor causing

wanted odors.

 

paint, hair spray, glues, etc.

 

products while heater is running.

 

2.

Gas leak.

2.

Locate and correct leaks.

 

 

 

 

 

 

3.

Initial burn off.

3.

Ventilate room and turn unit on high until

 

 

 

 

odor is gone. Odor should be gone after

 

 

 

 

6 hours of continuous use.

 

 

 

 

 

Appliance shuts off during

1.

Not enough fresh air is available for

1.

open window and/or door for ventilation.

use.

 

ODS/pilot to operate.

 

 

 

2.

Low line pressure.

2.

Contact local gas company.

 

 

 

 

3.

ODS/pilot is partially clogged.

3.

Clean ODS/pilot.

 

 

 

 

4.

Defective thermopile.

4.

Check wire connections. Check output

 

 

 

 

 

 

 

should be 500 mV across TH/TP and TP

 

 

 

 

terminals with ON/OFF switches off.

 

5.

Restrictions in incoming air flow.

5.

Check for bottom riser on glass door,

 

 

 

 

 

 

 

sunken fireplace, excessive lava rock/

 

 

 

 

cinders densely packed against grate.

Gas odor even when

1.

Gas leak.

1.

Locate and correct all leaks.

control knob is in OFF

2.

Control valve defective.

2.

Replace control valve.

position.

 

 

 

 

 

 

 

When ignitor button is

1. Gas supply turned off or manual

1. Turn on gas supply or open manual

pressed, there is spark at

 

shutoff valve closed.

 

shutoff valve.

ODS/pilot, but no ignition.

2.

Control knob not in PILOT position.

2.

Turn control knob to PILOT position.

 

 

 

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

PILOT position.

 

 

 

position.

 

 

 

 

 

 

 

 

 

 

4.

Air in gas lines when installed.

4.

Continue holding down control knob.

 

 

 

 

 

 

 

Repeat igniting operation until air is

 

 

 

 

removed.

 

5.

ODS/pilot is clogged.

5.

Replace ODS/pilot assembly or get it

 

 

 

 

 

 

 

services.

 

6.

Gas regulator setting is not correct.

6.

Check incoming pressure. Replace gas

 

 

 

 

 

 

 

regulator.

 

 

 

 

 

24

65D1009

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Monessen Hearth EYF24, EYF18 manual Problem, Possible Cause, Solution, EYF Series Unvented Gas Log Set