Desa GVC35PA, GVC50PA Trouble Shooting, Turn off and unplug heater and let cool before servicing

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TROUBLE-

WARNING

SHOOTING

 

Turn off and unplug heater and let cool before servicing.

Note: All troubleshooting

Unless you need gas supply for testing, shut off manual

shutoff valve before servicing. Only a qualified service

items are listed in order of

person should service and repair heater and venting

operation.

system.

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

 

 

 

 

 

 

 

 

Never use a wire, needle, or similar object to clean pilot.

 

 

 

 

 

This can damage pilot.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OBSERVED

POSSIBLE

REMEDY

 

 

PROBLEM

CAUSE

 

 

 

 

 

 

 

 

 

When ignitor button

1. Incorrect spark gap.

1.

Adjust spark gap to 1/16".

 

 

is pressed, there is no

2.

Ignitor electrode posi-

2.

Replace ignitor.

 

 

spark at pilot.

 

tioned wrong.

 

 

 

 

 

 

 

 

3.

Ignitor electrode broken.

3.

Replace ignitor.

 

 

 

 

4.

Ignitor electrode not con-

4.

Reconnect ignitor cable.

 

 

 

 

 

nected to ignitor cable.

 

 

 

 

 

 

 

 

5.

Ignitor cable pinched or

5.

Free ignitor cable if

 

 

 

 

 

wet.

 

pinched by any metal or

 

 

 

 

 

 

 

tubing. Keep ignitor

 

 

 

 

 

 

 

cable dry.

 

 

 

 

6.

Piezo ignitor nut is loose.

6.

Tighten nut holding piezo

 

 

 

 

 

 

 

ignitor to heater cabinet.

 

 

 

 

 

 

 

Nut is located inside

 

 

 

 

 

 

 

heater cabinet at top.

 

 

 

 

7.

Broken or frayed ignitor

7.

Replace ignitor cable.

 

 

 

 

 

cable.

 

 

 

 

 

 

 

 

8.

Loose ignitor cable.

8.

Reconnect ignitor cable.

 

 

 

 

9.

Bad piezo ignitor.

9.

Replace piezo ignitor.

 

 

 

 

 

 

 

 

 

When ignitor button

1. Gas supply turned off or

1.

Turn on gas supply or

 

 

is pressed, there is

 

manual shutoff valve

 

open manual shutoff

 

 

spark at pilot but no

 

closed.

 

valve.

 

 

ignition.

2.

Control knob not in

2.

Turn control knob to

 

 

 

 

 

PILOT position.

 

PILOT position.

 

 

 

 

3.

Control knob not

3.

Press in control knob

 

 

 

 

 

pressed in while in

 

while in PILOT position.

 

 

 

 

 

PILOT position.

 

 

 

 

 

 

 

 

4.

Air in gas lines when

4.

Continue holding down

 

 

 

 

 

installed.

 

control knob. Repeat

 

 

 

 

 

 

 

igniting operation until

 

 

 

 

 

 

 

air is removed.

 

 

 

 

5.

Depleted gas supply.

5.

Contact local propane

 

 

 

 

 

 

 

gas company.

 

 

 

 

6.

Pilot is clogged.

6.

Clean pilot (see Clean-

 

 

 

 

 

 

 

ing and Maintenance,

 

 

 

 

 

 

 

page 23) or replace pilot

 

 

 

 

 

 

 

assembly.

 

 

 

 

7.

Gas regulator setting is

7.

Replace control valve.

 

 

 

 

 

not correct.

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 24
Contents OWNER’S Operation and Installation Manual For Your SafetyWhat to do if YOU Smell GAS Contents Safety InformationElectrical shock, and carbon monoxide poisoning Carbon monoxide poisoning may lead to deathSafety Information Product IdentificationFeatures Installing HeaterLocal Codes UnpackingInstalling Heater Locating HeaterVenting Heater Venting Heater Do not vent heater in any of the following ways see FigureVenting Heater Proper Size Vent Installing Connecting to GAS SupplyQualified service person must connect heater to gas Supply. Follow all local codesGas Connection Test all gas piping and connections for leaks after install Checking GAS ConnectionsIng or servicing. Correct all leaks at once Fresh AIR for Combustion and Ventilation Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Draft Hood Spillage TestFresh AIR for Ventilation Air from OutdoorsConfined area has an air volume of less than 50 cubic 15 to make sure fresh air ventilation is adequateFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Viewing Pilot Manual Lighting Procedure Blower OperationTo Turn OFF GAS to Appliance Shutting Off HeaterInspecting Pilot and Burner Flame Pilot Flame PatternBurner Flame Pattern Correct Burner Flame Pattern Cleaning MaintenanceTrouble Shooting Unless you need gas supply for testing, shut off manualShutoff valve before servicing. Only a qualified service Turn off and unplug heater and let cool before servicingProblem Cause TroubleObserved Possible Problem Cause Remedy TROUBLE- ShootingStatement at top Connections,Service Procedures Removing Control Valve and Burner TubeRemoving Burner Wiring DiagramBlower Changing Burner OrificeService AccessoriesTechnical HintsOrdering Replacement Parts Under WarrantyParts Not Under Warranty PartsIllustrated Parts List Cabinet AssemblyBurner Assembly Parts List Warranty Information Limited Warranty Vanguard Vented Propane GAS Heaters

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