Desa VYGF33NR installation manual Troubleshooting, Observed Problem Possible Cause

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OWNER’S MANUAL

TROUBLESHOOTING

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

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

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at ODS/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 to base panel of log set. Nut is located behind base panel.

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace piezo ignitor

7.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

6.Replace gas control

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Manual shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged OD S/pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Fully open manual shut-off valve

4.A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

5.Hand tighten until snug, then tighten 1/4 turn more

6.Replace thermocouple

7.Replace control valve

Continued

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualDesa International Unvented Natural GAS Fireplace Safety InformationProduct Identification Remote Control AccessoriesLocal Codes UnpackingProviding Adequate Ventilation Product FeaturesAIR for Combustion and Ventilation Determining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining AIR Flow for Fireplace Location Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstalling Hood InstallationOptional GA3700 and GA3700T Blower Accessory Check GAS TypeMinimum Wall and Ceiling Clearances see Figure Installation ClearancesConventional Fireplace Installation Location of Nailing Flanges BUILT-IN Fireplace InstallationInstallation Items Needed Installing GAS Piping to Fireplace LocationMantel Clearances for Built-In Installation Removing Log Base Assembly From Fireplace Connecting Fireplace to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping SystemPressure Testing Fireplace Gas Connections Installing One Piece Log Set Installing LogsLighting Instructions For Your Safety Read Before LightingOperating Fireplace Optional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Optional Blower Operation Inspecting BurnersPilot Flame Pattern Main BurnerObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement Specifications Wiring DiagramTechnical Service Service HintsReplacement Parts Cleaning and MaintenanceODS/PILOT and Burner LogsAccessories Receiver and HAND-HELD Remote Control KIT Ghrc Receiver and HAND-HELD Thermostat Remote Control KIT GhrctWALL-MOUNT Thermostat Switch GWMT1 WALL-MOUNT ON/OFF Switch GWMS2Remote Ready Model VYGF33NR Illustrated Parts BreakdownKEY Part Number Description QTY Parts ListFireplace VYGF33NR Parts List Warranty Information