Desa (V)T36NA SERIES installation manual Troubleshooting, Observed Problem Possible Cause

Page 29

TROUBLESHOOTING

Note: For additional help, visit DESA’s technical service web site at www.desatech.com.

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

WARNING: Turn off heater and let cool before servicing. Only a quali- fied service person should service and repair heater.

TROUBLESHOOTING

29

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor. Nut is located behind the mounting bracket

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace pilot assembly

7.Replace pilot assembly

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

spark at pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

2.

Gas control knob not in PILOT position

2.

Turn gas control knob to PILOT position

 

3.

Gas control knob not pressed in while

3.

Press in gas control knob while in PILOT

 

 

in PILOT position

 

position

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

Repeat igniting operation until air is re-

 

 

 

 

moved

 

5.

Depleted gas supply (propane/LP models

5.

Contact local propane/LP gas company

 

 

only)

 

 

 

6.

Pilot is clogged

6.

Clean pilot (see Cleaning and Mainte-

 

 

 

 

nance, page 28) or replace pilot assembly

 

7.

Gas regulator setting is not correct

7.

Replace gas control

 

 

 

 

 

Pilot lights but flame goes out when control

1.

Gas control knob not fully pressed in

1.

Press in gas control knob fully

knob is released

2.

Gas control knob not pressed in long

2.

After pilot lights, keep gas control knob

 

 

enough

 

pressed in 30 seconds

 

3.

Equipment shutoff valve not fully open

3.

Fully open equipment shutoff valve

 

4.

Pilot flame not touching thermocouple,

4.

A) Contact local natural or propane/LP

 

 

which allows thermocouple to cool,

 

gas company

 

 

causing pilot flame to go out. This prob-

 

B) Clean pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 28) or replace pi-

 

 

the following:

 

lot assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged pilot

 

 

 

5.

Thermocouple connection loose at con-

5.

Hand tighten until snug, then tighten

 

 

trol valve

 

1/4 turn more

 

6.

Thermocouple damaged

6.

Replace pilot assembly

 

7.

Control valve damaged

7.

Replace control valve

For morevisit www..com

111250-01C

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Contents For Your Safety What to do if YOU Smell GAS For Your SafetySafety Information Table of ContentsLocal Codes Safety Information Product IdentificationLocation and Space Requirements Product FeaturesPRE-INSTALLATION Preparation Framing and Finishing ClearancesBalcony with Perpendicular Side Wall Location of Termination CAPInstallation Precautions Venting Installation InstructionsInstallation Planning Horizontal Termination InstallationVent Pipe Connections Installing Horizontal Vent Cap Noncombustible Exterior Ground Floor Installation Horizontal Termination ConfigurationsCorner and Alternate Installation Venting with Two 90 Elbows Flat Ceiling Installation Installation for Vertical TerminationVertical Termination Configurations Vertical Venting High Altitude InstallationParts Lists for Venting Kits and Components Fireplace InstallationInstalling Optional Blower Accessories Check GAS TypeAttaching Speed Control to Firebox Model BKT InstallationBlower Model BKT Blower Wiring DiagramInstallation Items Needed Installing GAS Piping to Fireplace LocationChecking GAS Connections Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Installing Remote Receiver Installing Optional Wall Mount Switch GWMS2Pressure Testing Fireplace Gas Connections REMOVING/REPLACING Glass Door Cleaning Glass DoorRemoving Louver Panels Removing Glass DoorInstalling Left Side Brick Panel Installing LOGS, Lava Rock and Glowing EmbersInstalling Logs No and No Manual Lighting Procedure For Your Safety Read Before LightingOperating Fireplace Lighting InstructionsON/OFF Series Model Ghrcb Optional HAND-HELD Remote OperationThermostat Series Model Ghrctb Pilot Assembly Operating Optional Blower AccessoryInspecting Burners Operating Optional GWMT1 Wall Mounted ThermostatGlass Door Cleaning and MaintenancePilot and Burners LogsObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement Illustrated Parts Breakdown VT36PA, VT36PBA, VT36PRA, VT36PRBA, and CTDV36NRA Parts ListTechnical Service Replacement Parts Service HintsSpecifications Parts Under WarrantyOwners Registration Form Postage Required Flexible GAS Line Connector GA5081 AccessoriesPROPANE/NATURAL GAS Conversion KIT Manual Blower KIT BKWarranty Information

(V)T36NA SERIES specifications

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