Intellifire Ignition System - (continued)

Symptom

Possible Cause

Corrective Action

 

 

 

3. (Continued) - Pilot lights

b. Poor flame rectification or contaminated

Verify that flame is engulfing sensor rod. If the pilot assem-

but continues to spark,

sensor rod.

bly does not have a ground strap, consider installing one

and main burner will not

 

to increase flame rectification. Verify correct pilot orifice is

ignite. (If the pilot contin-

 

installed and inlet gas specifications. Flame carries recti-

ues to spark after the pilot

 

fication current, not the gas. If flame lifts from pilot hood,

flame has been lit, flame

 

the circuit is broken. A wrong orifice or too high an inlet

rectification has not oc-

 

pressure can cause pilot flame to lift. The sensor rod may

curred.)

 

be contaminated. Clean sensor rod with emery cloth.

 

 

 

3. (Continued) Pilot lights

c. Module is not grounded.

Verify that module is securely grounded to metal chassis

but continues to spark,

 

of appliance. Verify that wire harness is firmly connected to

and main burner will not

 

module.

ignite. (If the pilot contin-

 

 

ues to spark after the pilot

d. Damaged pilot assembly or dirty sensor

Verify that ceramic insulator around the sensor rod is not

flame has been lit, flame

rod.

cracked, damaged, or loose. Verify connection from sen-

rectification has not oc-

 

sor rod to white sensor wire. Clean sensor rod with emery

curred.)

 

cloth to remove any contaminants that may have accumu-

 

 

lated on sensor rod. Verify continuity with a multimeter with

 

 

ohms set at lowest range.

 

 

 

 

e. Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF posi-

 

 

tion. 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.

 

 

 

4. Pilot sparks, but Pilot

a. Correct gas supply.

Verify that incoming gas line ball valve is “open”. Verify that

will not light.

 

inlet pressure reading is within acceptable limits, inlet pres-

 

 

sure must not exceed 14 in. W.C.

 

 

 

 

b. Ignitor gap is too large.

Verify that spark gap from ignitor to pilot hood is .17 in. or

 

 

1/8 in.

 

 

 

 

c. Module is not grounded.

Verify module is securely grounded to metal chassis of

 

 

appliance.

 

 

 

 

d. Module voltage output / Valve/Pilot

Verify battery voltage is at least 2.7 volts. Replace batter-

 

solenoid ohms readings.

ies if voltage is below 2.7.

 

 

 

Hearth & Home Technologies, Inc. • Bravo, Aztec • InD • 703-900 Rev. N • 8/06

47

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Hearth and Home Technologies Aztec, Bravo owner manual Symptom Possible Cause Corrective Action

Bravo, Aztec specifications

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