Hearth and Home Technologies Soho24B owner manual Troubleshooting, Intellifire Ignition System

Page 40

14 Troubleshooting

With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician.

A. Intellifire Ignition System

Sympton

Possible Cause

Corrective Action

1. The ignitor/module

a. Incorrect wiring.

Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor are connected to

makes noise, but no

 

correct terminals on module and pilot assembly. Reversed wires at the module may

spark.

 

cause system to make sparking noise, but spark may not be present at pilot hood.

 

 

 

 

b. Loose connections

Verify no loose connections or electrical shorts in wiring from module to pilot assem-

 

or electrical shorts in

bly. Rod closest to pilot hood should be ignitor. Verify connections underneath pilot

 

the wiring.

assembly are tight; also verify connections are not grounding out to metal chassis,

 

 

pilot burner, pilot enclosure, mesh screen if present, or any other metal object.

 

c. Ignitor gap is too

Verify gap of igniter to pilot hood. The gap should be approximately .17 inch or 1/8

 

large.

inch.

 

d. Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor wire

 

 

“I” from module. Place ON/OFF Rocker switch or wall switch in ON position. Hold

 

 

ground wire about 3/16 inch away from “I” terminal on module. If there is no spark

 

 

at “I” terminal module must be replaced. If there is a spark at “I” terminal, module

 

 

is fine. Inspect pilot assembly for shorted sparker wire or cracked insulator around

 

 

electrode.

2. Pilot won’t light,

a. Transformer

Verify that transformer is installed and plugged into module. Check voltage of trans-

there is no noise or

installed correctly.

former under load at spade connection on module with ON/OFF switch in ON posi-

spark.

 

tion. Acceptable readings of a good transformer are between 3.2 and 2.8 volts AC.

 

b. A shorted or loose

Remove and reinstall the wiring harness that plugs into module. Verify there is a

 

connection in wiring

tight fit. Verify pilot assembly wiring to module. Remove and verify continuity of each

 

configuration or wiring

wire in wiring harness.

 

harness.

 

 

c. Improper wall switch

Verify that 110/VAC power is “ON” to junction box.

 

wiring.

 

 

d. Module not

Verify black ground wire from module wire harness is grounded to metal chassis of

 

grounded.

appliance.

 

e. Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove ignitor wire

 

 

“I” from module. Place ON/OFF Rocker switch or wall switch in ON position. Hold

 

 

ground wire about 3/16 inch away from “I” terminal on module. If there is no spark

 

 

at “I” terminal module must be replaced. If there is a spark at “I” terminal, module

 

 

is fine. Inspect pilot assembly for shorted sparker wire or cracked insulator around

 

 

electrode.

3. Pilot lights but

a. A shorted or loose

Verify all connections to wiring diagram in manual. Verify connections underneath

continues to spark,

connection in sensor

pilot assembly are tight. Verify connections are not grounding out to metal chassis,

and main burner will

rod.

pilot burner, pilot enclosure or screen if present, or any other metal object.

not ignite. (If the pilot

b. Poor flame rectifi-

Verify that flame is engulfing sensor rod. If the pilot assembly does not have a

continues to spark

cation or contaminated

ground strap, consider installing one to increase flame rectification. Verify correct pi-

after the pilot flame

sensor rod.

lot orifice is installed and inlet gas specifications. Flame carries rectification current,

has been lit, flame

 

not the gas. If flame lifts from pilot hood, the circuit is broken. A wrong orifice or too

rectification has not

 

 

high an inlet pressure can cause pilot flame to lift. The sensor rod may be contami-

occurred.)

 

 

nated. Clean sensor rod with emery cloth.

 

 

 

c. Module is not

Verify that module is securely grounded to metal chassis of appliance. Verify that

 

grounded.

wire harness is firmly connected to module.

40

Heat & Glo • Soho24B • 2137-900 Rev. H • 10/08

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Contents What to do if you smell gas Model Soho24BHot glass will cause burns Congratulations Homeowner Reference InformationTable of Contents Listing and Code Approvals Installation of Carbon Monoxide Detectors Requirements for the Commonwealth of MassachusettsGetting Started Installation to ensure maximum safety and benefitTools and Supplies Needed Selecting Appliance Location Framing and ClearancesMantel Projections Constructing the Appliance Chase ClearancesVent Termination Minimum Clearances Termination LocationsSee .4 for specific clearances Alcove Applications Vent Information and Diagrams Vent Table KeyUse of Elbows Measuring StandardsVent Diagrams Top Vent Horizontal Termination One ElbowTwo Elbows Minimum MaximumTop Vent Horizontal Termination Three Elbows V1 Min H1 Max V2 Min H2 MaxV1 = 45 ft Max .72 m V1 = 3 ft Min mm Top Vent Vertical Termination No ElbowV1 Minimum H1 Maximum V1 + Top Vent Vertical Termination Three Elbows V1 Minimum H1+ H2 Maximum V1+ V2 MinimumVent Clearances and Framing Pipe Clearances to CombustiblesWall Penetration Framing Combustible Wall PenetrationVertical Penetration Framing Pipe SLPFlat Ceiling Installation Install Attic Insulation ShieldVaulted Ceiling Installation Appliance Preparation Top VentSecuring and Leveling the Appliance Proper Positioning, LevelingInstalling Vent Pipe Assemble Vent SectionsAssemble Slip Sections Secure the Vent SectionsInstall Decorative Ceiling Components Disassemble Vent SectionsInstall Metal Roof Flashing Assemble and Install Storm CollarInstall RF4-8 Apply Sealant TOP & Partial SidesInstall Decorative Wall Components Install Vertical Termination CapHeat Shield Requirements for Horizontal Termination Install Horizontal Termination Cap 22 Venting through the wallGas Information Fuel Conversions Gas ConnectionGas Pressures Pressure Natural Gas PropaneHigh Altitude Installations Recommendation for Wire Electrical InformationJunction Box Installation GRN wire Ground attached To GRN screw with Inside boxFacing Material FinishingSee for combustible/non-combustible definitions Appliance Setup Clean the ApplianceAccessories Remove Shipping MaterialsStone Placement Soho24B Positioning StonesNo Stones in this Area Glass Assembly Air Shutter SettingRemoving Glass Assembly Replacing Glass AssemblyOperating Instructions Before Lighting ApplianceLighting Instructions IPI Turn off all electric power to the applianceFinal inspection by Initial Break-in Procedure Frequently Asked QuestionsAfter Appliance is Lit Intellifire Ignition System TroubleshootingSympton Possible Cause Corrective Action Symptom Possible Cause Corrective Action Maintenance Tasks Maintaining and Servicing ApplianceInspect Maintenance Tasks Recommend addition of screen if one is not presentAppliance Dimension Diagram Appliance Dimensions TableReference Materials Location Inches MillimeterVent Components Diagrams SL Series ComponentsElbow RF4-8Roof Flashing Ceiling Firestop Support Effective Height/LengthSnorkel Support Box-BlackAdapter Ceiling Firestop BlackService Parts Part number list on followingAt Depot StockedNo longer available IPI Valve Assembly CONDITIONS, Exclusions & Limitation of Liability Limited Lifetime Warranty Contact Information

Soho24B specifications

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