Desa VN10TA installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 13

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 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 in there is no

1.

Ignitor cable pinched or wet

1.

Free ignitor cable if pinched by any

 

spark at ODS/pilot

 

 

 

metal or tubing. Keep ignitor cable dry

 

 

2.

Ignitor electrode not connected to ignitor

2.

Reconnect ignitor cable

 

 

 

cable

 

 

 

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor to base

 

 

 

 

 

panel of log set. Nut is located behind

 

 

 

 

 

base panel

 

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

 

5.

Ignitor electrode broken

5.

Replace ignitor

 

 

6.

Bad piezo ignitor

6.

Replace piezo ignitor

 

 

7.

Ignitor electrode positioned wrong

7.

Replace ignitor

 

 

 

 

 

 

 

When ignitor button is pressed and control

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

 

knob is pressed in and turned to the PILOT

 

shutoff valve closed

 

shutoff valve

 

position, there is spark at ODS/pilot but no

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

ignition

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 12) 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 10 seconds

 

 

3.

Equipment shutoff valve not fully open

3.

Fully open equipment shutoff valve

 

 

4.

Thermocouple connection loose at

4.

Hand tighten until snug, then tighten 1/4

 

 

 

control 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

 

B) Clean ODS/pilot (see Cleaning and

 

 

 

problem could be caused by one or both

 

Maintenance, page 12) or replace ODS/

 

 

 

of 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

www.desatech.com

Continued

104086

13

Image 13
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualNatural GAS Heater Safety InformationProduct Identification Product FeaturesLocal Codes UnpackingProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Items InstallationInstalling Heater to Wall Locating HeaterInstalling Bottom Mounting Screw Installing Two Mounting ScrewsPlacing Heater On Mounting Screws Removing Front Panel Of HeaterGas Connection Connecting to GAS SupplyPressure Testing Gas Supply Piping System For Your Safety Read Before LightingPressure Testing Heater Gas Connections Operating HeaterLighting Instructions Manual Lighting ProcedureThermostat Control Operation To Turn OFF GAS To ApplianceInspecting Burner Cleaning and MaintenanceObserved Problem Possible Cause Remedy TroubleshootingNatural GAS Heater Gas leak. See Warning statement VN10TA Illustrated Parts ListKEY Part Number Description QTY Parts ListTechnical Service Servicepublications Replacement Parts SpecificationsService Hints Accessory104086 Warranty Information

VN10TA specifications

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