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

Models: Soho24B

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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.

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

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Hearth and Home Technologies Soho24B Troubleshooting, Intellifire Ignition System, Sympton Possible Cause Corrective Action
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Soho24B specifications

Hearth and Home Technologies has once again pushed the boundaries of home heating with the introduction of the Soho24B. This innovative gas fireplace is designed to provide warmth and comfort, while also serving as a striking centerpiece for any living space. A blend of modern aesthetics and advanced technology, the Soho24B delivers a variety of features that elevate the standard of home fireplaces.

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