Desa SBJ18VNA ODS/pilot lights but flame goes, Press in control knob fully, Leased Long enough

Page 23

TROUBLESHOOTING

Continue

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

ODS/pilot lights but flame goes

1. Control knob not fully pressed in

1.

Press in control knob fully

out when control knob is re-

2. Control knob not pressed in

2.

After ODS/pilot lights, keep con-

leased

 

long enough

 

trol knob pressed in 30 seconds

 

3.

Safety interlock system has

3.

Wait one minute for safety in-

 

 

been triggered

 

terlock system to reset. Repeat

 

4.

Equipment shutoff valve not

 

ignition operation

 

4.

Fully open equipment shutoff

 

 

fully open

 

valve

 

5.

Pilot flame not touching ther-

5.

A) Contact local natural or

 

 

mocouple, which allows ther-

 

propane/LP gas company

 

 

mocouple to cool, causing pilot

 

 

 

 

flame to go out. This problem

 

B) Clean ODS/pilot (see

 

 

could be caused by one or both

 

Cleaning and Maintenance,

 

 

of the following:

 

page 21) or replace ODS/pilot

 

 

A) Low gas pressure

 

assembly

 

 

B) Dirty or partially clogged

 

 

 

 

ODS/pilot

 

 

 

6.

Thermocouple connection

6.

Hand tighten until snug, then

 

 

loose at control valve

 

tighten 1/4 turn more

 

7.

Thermocouple damaged

7.

Replace pilot assembly

 

8.

Control valve damaged

8.

Replace control valve

 

 

 

 

Burner does not light after ODS/

1. Inlet gas pressure is too low

1.

Contact local natural or pro-

pilot is lit

2.

Burner orifice(s) clogged

 

pane/LP gas company

 

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 21) or

 

3.

Remote selector in OFF

 

replace burner orifice(s)

 

3.

Put remote selector in ON

 

 

position

 

position

 

4.

Wire disconnected from gas

4.

See Wiring Diagram, page 20

 

 

control

 

 

 

 

 

 

Delayed ignition of burner

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

2.

Burner orifice(s) clogged

 

pane/LP gas company

 

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 21) or

 

3.

Mislocated crossover tube

 

replace burner orifice(s)

 

3.

Contact qualified service person

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 21) or

 

2.

Damaged burner

 

replace burner orifice

 

2.

Replace damaged burner

 

3.

Gas appliance regulator de-

3.

Replace gas regulator

 

 

fective

 

 

 

4.

External gas regulator defective

4.

Correct external gas regulator

 

 

or set to incorrect pressure

 

pressure or replace if defective

114744-01C

www.desatech.com

23

Image 23
Contents SMA24VPA What to do if YOU Smell GASTable of Contents Safety Information Provide adequate clearances around air openings Unpacking Product IdentificationLocal Codes Determining FRESH-AIR Flow for Appliance Location AIR for Combustion VentilationProviding Adequate Ventilation Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors AIR for Combustion Ventilation InstallationCheck GAS Type Installation and Clearances for VENT-FREE OperationMinimum Noncombustible Material Clearances InstallationTo combustibles see Figure Mantel ClearancesFloor Clearances Masonry Manufactured FireplaceFireplace Installing Damper Clamp Accessory for Vented OperationInstalling Remote Control Accessory BracketControl cover kit optional see Accessories, Installing Heater AssemblyConnecting to GAS Supply Installation Items NeededNatural From Checking GAS ConnectionsPropane/LP From Turn off heater Pressure Testing Heater Gas ConnectionsTest Pressures In Excess Of 1/2 Psig 3.5 kPa Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions For Your Safety Read Before LightingOperating Heater Shutting Off Heater Control Knob SwitchTo Turn OFF GAS To Appliance Propane/LP NaturalThermostat Series Model HRC200 Manual Lighting ProcedureOptional HAND-HELD Remote Operation ON/OFF Series Model HRC100Auto Shutoff Feature Manual ModeAuto Thermostatic Mode Safety FeaturesPilot Flame Pattern Wiring DiagramWhen Using Remote Inspecting BurnerPropane/LP Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Observed Problem Possible Cause Remedy TroubleshootingLow gas pressure Assembly Out when control knob is reSafety interlock system has Clean ODS/pilot seeGas regulator defective Or shut off Qualified service personBattery is not installed. Bat Remote control Tery power is lowMent at top Technical Service SpecificationsReplacement Parts Service HintsAccessories Illustrated Parts Breakdown Parts List Models SMA24VNA Shown, SMA24VPA, SBJ24VNA and SBJ24VPA BJ24VNAS Limited Warranty VENT-FREE GAS LOG Heaters Warranty InformationKeep this Warranty