Desa VP26A, VN18A, VP16A, VP26TA VN30A Troubleshooting, Observed Problem Possible Cause Remedy

Page 20

TROUBLESHOOTING

WARNING:Turnoffandunplugheaterandletcoolbeforeservicing. 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.

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

When ignitor button is pressed

1. Ignitor electrode positioned

1.

Replace pilot assembly

in, there is no spark at ODS/

 

wrong

2.

Replace pilot assembly

pilot

2. Ignitor electrode broken

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

 

nected to ignitor cable

4.

Free ignitor cable if pinched

 

4.

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

 

 

 

ignitor cable dry

 

5.

Broken ignitor cable

5.

Replace ignitor cable

 

6.

Bad ignitor

6.

Replace ignitor

 

7.

Battery not installed, battery

7.

Install new alkaline battery

 

 

power low or battery not

 

in electronic ignitor. Verify

 

 

installed correctly (electronic

 

battery is installed correctly

 

 

ignition models only)

 

 

When ignitor button is pressed in, there is a spark at ODS/Pilot but no ignition

1.Gas supply turned off or equip- ment shutoff valve closed

2.Control knob not fully pressed in while pressing ignitor but- ton (non-thermostat models only)

Thermostat control knob not fully pressed in while press- ing ignitor button (thermostat models only)

3.Air in gas lines when in- stalled

4.Depleted gas supply (propane/ LP gas)

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

7.Thermostat control knob is not in pilot position (thermostat models only)

1.Turn on gas supply or open equipment shutoff valve

2.Turn to PILOT/IGN position. Fully press in control knob while pressing ignitor button (non-thermostat models only) Fully press in thermostat control knob while pressing ignitor button (thermostat models only)

3.Continue holding down con- trol knob. Repeat igniting op- eration until air is removed

4.Contact local propane/LP gas company

5.Clean ODS/pilot (see Cleaning and Maintenance, page 19) or replace ODS/pilot assembly

6.Replace gas regulator

7.Turn thermostat control knob to pilot position

20

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113052-01D

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Contents VN30A, VN30TA, VP16ITA, VP22ITA Model VN30A ShownTable of Contents Safety Information Unpacking Product FeaturesLocal Codes Determining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationProviding Adequate Ventilation Ventilation AIR Ventilation Air From Inside BuildingInstallation Installation ItemsCheck GAS Type Locating HeaterInstalling Heater to Wall Thermostat Sensing BulbThermostat Models Only Mounting BracketMethods For Attaching Mounting Bracket To Wall Marking Screw Locations5 Plaque Heaters Plaque HeaterInstalling Bottom Mounting Screws Placing Heater On Mounting BracketConnecting to GAS Supply Mounting Base Feet to Floor Where required by local codeMounting Heater to Floor Mounting Base Feet to HeaterPropane/LP Checking GAS ConnectionsNatural Gas Test Pressures In Excess Of 1/2 Psig 3.5 kPa Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions NON-THERMOSTAT Models For Your Safety Read Before LightingOperating Heater Manual Lighting Procedure Thermostat Models For Your Safety Read Before LightingTo Select Heating Level To Turn OFF GAS To ApplianceIgnitor Button Control Knob If pilot does not lightTurn thermostat control knob counter Shutting Off Heater Thermostat OperationPlaque Burner Flame Pattern Inspecting HeaterPilot Flame Pattern Cleaning Maintenance ODS/PILOT and BurnerBurner Pilot AIR Inlet CabinetTroubleshooting Observed Problem Possible Cause RemedyODS/pilot lights but flame When heated, vapors from Gas leak. See WarningSpecifications Illustrated Parts Breakdown Parts List Cabinet Body Models VP16ITA and VP22ITA KEY Part Number VP16ITA VP22ITA Description QTY Illustrated Parts Breakdown and Parts List Burner Assembly Models VP16A and VN18ABurner Assembly Models VP26A and VN30A ODS/Pilot Burner Assembly VP26A, VN30ABurner Assembly Models VP16ITA and VP22ITA Burner Assembly VP22ITA Burner Assembly VP16ITABurner Assembly Models VP16TA, VN18TA, VP26TA and VN30TA Replacement Parts Service Publications Service HintsTechnical Service Parts Under WarrantyAccessories Parts CentralFAN Kits GA3250T Equipment Shutoff Valve GA5010113052-01D 113052-01D Limited Warranty Vanguard VENT-FREE Infrared GAS Heaters Warranty InformationKeep this Warranty
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