Desa CD36TN-M installation manual Troubleshooting, Observed Problem, Possible Cause, Remedy

Page 35
Troubleshooting

Troubleshooting

OBSERVED PROBLEM WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

POSSIBLE CAUSE CAUTION: Never use a wire, needle or similar object to clean pilot. This can damage pilot unit.

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

The two most common causes of a malfunctioning gas appliance are:

1.Loose wiring connections

2.Construction debris clogging the pilot and/or gas control valve filter

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

When ignitor button is pressed,

1. Ignitor electrode not con-

1.

Reconnect ignitor cable

there is no spark at pilot

2.

nected to ignitor cable

2.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

3.

Piezo ignitor nut is loose

3.

ignitor cable dry

 

Tighten nut holding piezo

 

 

 

 

ignitor. Nut is located behind

 

4.

Broken ignitor cable

4.

the mounting bracket

 

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace pilot assembly

 

7.

Ignitor electrode positioned

7.

Tighten electrode. Replace if

 

 

wrong

 

necessary

 

 

 

 

 

When ignitor button is pressed,

1. Gas supply turned off or equip-

1.

Turn on gas supply or open

there is spark at pilot but no

 

ment shutoff valve closed

2.

equipment shutoff valve

ignition

2. Gas control knob not in PI-

Turn gas control knob to PILOT

 

3.

LOT position

3.

position

 

Gas control knob not pressed

Press in gas control knob while

 

4.

in while in PILOT position

4.

in PILOT position

 

Air in gas lines when in-

Continue holding down con-

 

 

stalled

 

trol knob. Repeat igniting

 

5. Depleted gas supply (propane/

 

operation until air is removed

 

5. Contact local propane/LP gas

 

6.

LP models only)

6.

company

 

Pilot is clogged

Clean pilot (see Cleaning and

 

 

 

 

Maintenance, page 33) or re-

 

7.

Gas regulator setting is not

7.

place pilot assembly

 

Replace gas regulator

 

 

correct

 

 

 

118531-01A

www.desatech.com

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Contents WHAT TO DO IF YOU SMELL GAS Table of Contents Safety Information Continued Safety informationProduct Identification Location and space requirements Product FeaturesPre-Installation Preparation Local CodesClearances Figure 3 - Fireplace Bottom DimensionsContinued Packaging and RemovalFigure 5 - Framing Clearances for Corner InstallationFigure 6 - Unit Dimensions ContinuedMANTEL CLEARANCES ContinuedOutside Corner D E B LFigure 9 - Minimum Clearances for Termination Cap Inside CornerVenting Installation Instructions Figure 10 - Vent Pipe Connections Venting Installation instructionsINSTALLATION PLANNING ContinuedStandoff Vent Cap Apply Mastic to All Four Sides Figure 12 - Installing Siding StandoffFigure 13 - Installing Outer Wall Firestop Inner Wall FirestopClearance at Ground Floor Installation Configuration For Corner InstallationUsing One 90 Elbow Configuration with Vertical Rise and One 90 ElbowContinued HORIZONTAL VENT INSTALLATIONSContinued Installation for vertical terminationFlat Ceiling Installation Figure 20 - Installing FirestopContinued Thimble InstallationVertical Termination Configurations for Top Vent Figure 21 - Installing Thimble with FirestopFigure 23 - Vertical Venting parts list for venting kits and componentsConfiguration Using Two 90 Elbows ContinuedDescription ContinuedELECTRICAL SUPPLY CONNECTION NumberFirebox Millivolt Models Installing optional blower accessoriesFigure 27 - Blower Model BK Figure 28 - Attaching Speed Control toFigure 30 - Blower Model BKT Model BKT InstallationContinued Continued Wiring DiagramsFigure 31 - Blower Wiring Diagram for Figure 32 - Millivolt Ignition Wiring DiagramFigure 34 - Attaching Alkaline Battery to Installing optional wall Mount Switch - gwmS2Figure 33 - Connecting Wall Switch to Installing Remote ReceiverCheck Gas Type Installing Gas Piping to Fireplace LocationInstallation Items Needed ContinuedPressure Testing Gas Supply Piping System CONNECTING FIREPLACE TO GAS SUPPLYInstallation Items Needed Figure 39 - Connecting Flexible Gas LineNatural Gas Fireplace Removing/Replacing Glass DoorFigure 40 - Equipment Shutoff Valve Figure 42 - Checking Gas Joints forRemoving Top Louver Trim Panel Removing Lower Louver Access PanelFigure 43 - Removing Lower Louver Access Panel ContinuedFigure 45 - Removing/Replacing Glass Door Installing LOGS, lava rock and glowing embersFigure 46 - Installing Logs ContinuedTO TURN OFF GAS TO APPLIANCE for your safety Read before lightingOperating Fireplace lighting instructionsoptional Hand-Held REMOTE OPERATION MANUAL LIGHTING PROCEDUREFigure 49 - Setting the Selector Switch ContinuedRemote Control Unit HRC200 operating optional blower accessorySafety Features Auto Shutoff Featuresee Troubleshooting, page pilot assemblysee Troubleshooting, page Figure 52 - Pilot Assembly MillivoltPilot Orifice Conversion Figure 54 - Removing Logs and Burner AssemblyFigure 56 - Adjusting Air Shutter ContinuedGLASS DOOR Cleaning and MaintenanceConversion Instructions Gas Control Conversionlogs CAUTION: Do not vacuum if pieces are hotContinued pilot and burnersREMEDY TroubleshootingOBSERVED PROBLEM POSSIBLE CAUSEPOSSIBLE CAUSE TROUBLESHOOTINGOBSERVED PROBLEM ContinuedWARNING If you smell gas Shut off gas supply Continued OBSERVED PROBLEMParts Under Warranty Parts Not Under WarrantyTHERMOSTATICALLY - CONTROLLED BLOWER KIT - BKT WALL MOUNTED ON/OFF SWITCH GWMS2 Not ShownWhen Gas Pressure Is Too Low MANUAL BLOWER KIT - BKIllustrated Parts Breakdown Fireplace Assembly for Model CD36TN-MFIREPLACE ASSEMBLY FOR MODEL CD36TN-M PARTS LISTIllustrated parts breakdown BURNER ASSEMBLY FOR MODEL CD36TN-M1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BURNER ASSEMBLY FOR MODEL CD36TN-MLIMITED WARRANTY DIRECT-VENTFIREPLACE Warranty InformationKEEP THIS WARRANTY
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