Intellifire plus™ ignition system (continued) – Quadra-Fire QF130 User Manual

Page 38

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Quadra-Fire • QFI30, QFI35 • 2227-900 Rev. H • 1/11

38

Symptom

Possible Cause

Corrective Action

4. Pilot lights but con-

tinues to spark, and

main burner will not

ignite. (If the pilot

continues to spark

after the pilot fl ame

has been lit, fl ame

rectifi cation has not

occurred.)

A. A shorted or loose connection in

fl ame sensing rod.

Verify all connections to wiring diagram in manual. Verify connec-

tions underneath pilot assembly are tight. Verify fl ame sense or ig-

niter wires are not grounding out to metal chassis, pilot burner, pilot

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

B. Poor fl ame rectifi cation or contami-

nated fl ame sensing rod.

With fi xed glass assembly in place, verify that fl ame is engulfi ng

fl ame sensing rod on left side of pilot hood. Flame sensing rod

should glow shortly after ignition. With a multi-meter, verify that cur-

rent in series between module and sense lead is at least 0.14 mi-

croamps. Verify correct pilot orifi ce is installed and gas inlet is set to

pressure specifi cations. Clean fl ame sensing rod with emery cloth

to remove any contaminants that may have accumulated on fl ame

sensing rod.

C. Module is not grounded.

Verify module is securely grounded to metal chassis of appliance.

Verify that wire harness is fi rmly connected to the module.

D. Damaged pilot assembly or con-

taminated fl ame sensing rod.

Verify that ceramic insulator around the fl ame sensing rod is not

cracked, damaged, or loose. Verify connection from fl ame sensing

rod to white sensor wire. Clean fl ame sensing rod with emery cloth

to remove any contaminants that may have accumulated on fl ame

sensing rod. Verify continuity with a multi-meter with ohms set at

lowest range. Replace pilot if any damage is detected.

IntelliFire Plus™ Ignition System (continued)

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