Vanguard Heating VSGF28NTC, VSGF28NVA Troubleshooting, Observed Problem Possible Cause Remedy

Page 19

OWNER’S MANUAL

TROUBLESHOOTING

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

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

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

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

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

spark at ODS/pilot

 

tor cable

 

 

 

2.

Piezo ignitor nut is loose

2.

Tighten nut holding piezo ignitor to base

 

 

 

 

panel of log set. Nut is located behind

 

 

 

 

base panel.

 

3.

Ignitor cable pinched or wet

3.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace ignitor

 

7.

Ignitor electrode positioned wrong

7.

Replace ignitor

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

spark at ODS/pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

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.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 18) or replace ODS/

 

 

 

 

pilot assembly

 

6.

Gas regulator setting is not correct

6.

Replace gas regulator

 

 

 

 

 

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

1.

Press in control knob fully

control knob is released

2.

Control knob not pressed in long enough

2.

After ODS/pilot lights, keep control

 

 

 

 

knob pressed in 30 seconds

 

3.

Equipment shutoff valve not fully open

3.

Fully open equipment shutoff valve

 

4.

Thermocouple connection loose at con-

4.

Hand tighten until snug, then tighten 1/4

 

 

trol valve

 

turn more

 

5.

Pilot flame not touching thermocouple,

5.

A) Contact local natural gas company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean ODS/pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 18) or replace ODS/

 

 

the following:

 

pilot assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace control valve

 

8.

On thermostat models, safety interlock

8.

Wait one minute for safety interlock sys-

 

 

system has been triggered

 

tem to reset. Repeat ignition operation

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualVSGF28NVA VSGF28NTCUnvented Natural GAS Fireplace Safety InformationLocal Codes Product IdentificationUnpacking AIR for Combustion and Ventilation Product FeaturesDetermining FRESH-AIR Flow for Fireplace Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Electrical Hookup InstallationInstalling Hood Check GAS TypeConventional Fireplace Installation Installation ClearancesActual Framing Height 32 3/8 Front Width Depth BUILT-IN Fireplace InstallationFireplace Location Installing GAS Piping toInstallation Installation Items NeededPipe Nipple Cap Tee Joint Sediment Trap Connecting Fireplace to GAS SupplyPressure Testing Fireplace Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Installing Front Log #1 Installing LogsThermostat-Controlled Models For Your Safety Read Before LightingOperating Fireplace Lighting InstructionsTo Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Variable Control Operation Pilot Flame Pattern Inspecting BurnersBlower Operation Model VSGF28NTC Model VSGF28NVALogs Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Front Burner Flame PatternObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement Wiring Diagram Technical ServiceReplacement Parts Service HintsEquipment Shutoff Valve GA5010 Brass Trim Accessory GA6090Cleaning KIT CCK Slim Hearth BaseIllustrated Parts Breakdown KEY Part Number Description QTY Parts ListFireplace VSGF28NVA Illustrated PARTS7 BreakdownParts List LOG Base Assembly THERMOSTAT- Controlled Model VSGF28NTC Parts List Fireplace VSGF28NTC Parts List Warranty Information