Desa CB36N, CB36P operation manual Observed Problem Possible Cause Remedy

Page 29

Troubleshooting

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Electronic Ignition Models

1. No gas supply, or shutoff

1.

Check to see if you have gas

Only Ignitor will not spark or

 

valve is OFF

 

supply and that equipment

pilot will not light

 

 

 

shutoff valve is opened

 

2.

Air in gas line

2.

Repeat lighting procedure

 

 

 

 

several times to purge all air

 

 

 

 

out of lines. If after repeated

 

 

 

 

attempts appliance does

 

 

 

 

not light, call for qualified

 

 

 

 

service and repair

 

3.

Construction debris clog-

3.

Remove debris and dirt, and

 

 

ging pilot orifice

 

inspect and clean any other

 

 

 

 

possible obstructions

 

4.

Low gas pressure

4.

Contact your gas supplier

 

 

 

 

to check pressure

 

5.

Kinked pilot line

5.

Have a qualified technician

 

 

 

 

replace pilot line

 

6.

Control valve is not open-

6.

Replace control valve (Re-

 

 

ing

 

fer to Replacement Parts,

 

 

 

 

page 31)

 

7.

No power to unit or the

7.

Check that main power is

 

 

ignition module

 

on and that wire connec-

 

 

 

 

tions are made correctly

 

 

 

 

to the ignition model (see

 

 

 

 

Wiring Diagrams, page 13).

Check for 24 VAC at the secondary side of the trans- former. If 24 VAC is present, and the module does not operate, have the module replaced otherwise have the transformer replaced

Electronic Ignition Models 1.

Loose wiring on ignitor wire

Only Pilot will not stay lit

to ignition module and/

 

or poor ground to ignition

 

module

2.

Pilot flame too low to

 

sense

1.Check wiring connection. Refer to wiring diagram (see Wiring Diagrams, page 13) and/or check ground wire to ignition module

2.Clean and adjust pilot burner and check gas supply and inlet pressure to unit. Note:

Have a qualified technician replace pilot assembly if broken or corroded

Electronic Ignition Models

1.

Pilot flame may be too low

1.

Clean and adjust pilot flame

Only Frequent outage of main

 

to sense flame causing

 

for maximum flame across

burner and pilot after complete

 

ignition module to shut

 

sensor rod

ignition sequence

 

down

 

 

 

2.

Improper or restricted

2.

Locate and correct all vent

 

 

venting

 

conditions (see Checking for

 

 

 

 

Proper Venting, page 10)

117437-01D

www.desatech.com

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Contents
VCB36NE and VCB36PE ModelsTable of Contents Safety Local Codes Product IdentificationLocation and space requirements Product FeaturesPre-Installation Preparation Clearances Packaging and RemovalFraming and Finishing Ceiling to Louver & Front37.5 cm 91.4 cm 36 1/4 92.1 cm 14 3/414 35.6 cm Mantel fromMantel Depth Opening Venting Installation Installation PrecautionsVenting Installation Relilef With Strain Relief Checking for Proper VentingElectrical Supply Connection High Altitude Installation Installing Optional ControlsInstalling Optional Wall Mount Switch GWMS2 Installing Remote ReceiverPlastic Mounting Clips Installing and Activating the Remote ReceiverRemote Receiver IgnitionWiring Diagrams Millivolt Wiring DiagramInstalling Gas Piping to Fireplace Location Fireplace InstallationInstallation Items Needed Check GAS TypeChecking GAS Connections Connecting Fireplace to GAS SupplyLouver Panels and Glass Door Pressure Testing Fireplace Gas ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Equipment Shutoff Valve Gas Meter Gas ValveSpring Clips Removing Louver PanelsRemoving/Replacing Glass Door Glass Panel Frame RailInstalling Logs and Glowing Embers Operating Fireplace Manual Ignition System For your safety Read before lightingLighting Instructions To Turn OFF GAS To ApplianceOptional Wireless Remote Operation Manual Lighting ProcedureElectronic Ignition System Lighting Instructions RodOptional Hand-Held Optional GWMS2 ON/OFF Wall Mounted SwitchOn/Off Series Model HRC100 Variable Control KnobAir Adjustment Setting Pilot AssemblyInspecting Burners Burner Flame PatternsPilot and Burners Cleaning and MaintenanceGlass Door Technical Services SpecificationsService Hints Or replace ODS/pilot assembly Replace gas regulator TroubleshootingObserved Problem Possible Cause Remedy Have the vent system Pilot is lit or cycles duringLow Natural gas company Burner porting or orifice CloggedClogged burner tube Clean burner tube Glass soots Flame impingement on Adjust the log set so LogsOrifice, adjust air shutter Burner air adjustmentObserved Problem Possible Cause Remedy Statement above Gas leak. See WarningAccessories Replacement PartsParts Damper Assembly Burner Assembly Complete See pages 30Wire Harness Assembly Louver AssemblyParts KEY Description QTY Keep this Warranty WarrantyLimited Warranty Vent Fireplace 07/07