Monessen Hearth MJ27PR, MJ27NR Troubleshooting, Turn appliance OFF and allow to cool before

Page 33

TROUBLESHOOTING

 

warning

 

WARNING

 

 

 

Turn appliance OFF and allow to cool before

 

 

 

servicing. Only a qualified service person

 

 

 

should service and repair the heater.

 

 

 

 

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is

1. Ignitor electrode positioned wrong.

1

Replace ignitor.

pressed, there is no spark

 

 

 

 

at ODS/pilot.

 

 

 

 

2.

Ignitor electrode is broken.

2.

Replace ignitor.

 

 

 

 

 

 

 

3.

Ignitor electrode not connected to ignitor

3.

Reconnect ignitor cable.

 

 

cable.

 

 

 

 

 

 

 

 

4.

Ignitor cable pinched or wet. Keep ignitor

4.

Free ignitor cable if pinched by any metal

 

 

cable dry.

 

or tubing.

 

5.

Broken ignitor cable.

5.

Replace ignitor cable.

 

6.

Bad piezo ignitor.

6.

Replace piezo ignitor.

Appliance produces

1. Appliance burning vapors from paint, hair

1.

Ventilate room. Stop using odor causing

unwanted odors.

 

spray, glues, etc.

 

products while heater is running.

 

2.

Gas leak.

2.

Locate and correct all 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 Millivolts 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 shutoff

1.

Turn on gas supply or open manual shutoff

pressed, there is spark at

 

valve closed.

 

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

 

 

 

 

serviced.

 

6.

Gas regulator setting is not correct.

6.

Check incoming pressure. Replace gas

 

 

 

 

regulator.

86D0024

 

 

 

33

Image 33
Contents Natural Gas or Liquid Propane Control Type Millivolt Hi/Low Models MJ27NR, MJ27PRContents Installer Important Safety InformationOwner Gas Code, Ansi Z223.l/NFPA54Never connect unit to private non Utility gas wells. This gas is commonlyKnown as wellhead gas What you will need for installation Getting StartedMake sure you have received all parts Product Features and Specifications Codes General Installation InformationAmerican National Standards Institute, Inc National Fire Protection Association, IncBTU / hr = Minimum Hearth Dimension Fireplace and Hearth DimensionsHeight of Restriction Minimum Depth of Fireplace/Firebox Placement in a fireplace with a restrictive barrierSidewall and Ceiling Clearances Clearances and Height RequirementsRequirements for Safe Installation Heat ResistantMeasurement MJ27 Mantel, Shelf or Other Combustible Projection Heat Resistant Requirements for Safe Installation with Wood12 min Is an example of an unsafe mantel instal Minimum Clearance above Combustible Flooring Floor ClearancePaint by a qualified chimney cleaner Before installing in a solid fuel burningInstalling Vented Applications Fireplace PreparationInstalling Vented Applications Assembly procedurePlacing and Securing Appliance Gas Connection Connecting the GASMillivolt Valve Control Figure Checking GAS PressureAte Electrical Wiring MillivoltDo not allow wires Connecting Remote ReceiverBurner To touch grate orLOG Placement Install Log #8 Install Log #4 Place Flickering Bright Embers Place Flickering EmbersANDIRON Installation Andiron and rock installationAssembly Instructions Placing the decorative rockChecking the pilot flame Flame AppearanceOperating Instructions Checking the Burner FlameWhat to do if YOU Smell GAS Operating InstructionsTo Turn OFF GAS to Heater Cleaning and Servicing Operating Instructions / Cleaning and ServicingServicing. Only a qualified service person TroubleshootingShould service and repair the heater Turn appliance OFF and allow to cool beforeGoes out when control Description Qty Replacement partsReplacement Parts list LogsDescription Qty MJ27 Please Read and Follow These 86D0024 Five Year Warranty Lifetime WarrantyBasic Warranty If Warranty Service is NeededMhsc