Intellifire Ignition System - (continued)
Symptom | Possible Cause | Corrective Action |
4. Pilot lights but continues | A. A shorted or loose connection | Verify all connections to wiring diagram in manual. Verify |
to spark, and main burner | in flame sensing rod. | connections underneath pilot assembly are tight. Verify connections |
will not ignite. (If the pilot |
| are not grounding out to metal chassis, pilot burner, pilot enclosure |
continues to spark after |
| or screen if present, or any other metal object. |
the pilot flame has been lit, |
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flame rectification has not |
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B. Poor flame rectification or | With fixed glass assembly in place, verify that flame is engulfing | |
occurred.) | contaminated flame sensing | flame sensing rod on left side of pilot hood. Flame sensing rod |
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| rod. | should glow shortly after ignition. Verify correct pilot orifice is |
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| installed and gas inlet is set to pressure specifications. |
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| C. Module is not grounded. | Verify module is securely grounded to metal chassis of appliance. |
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| Verify that wire harness is firmly connected to the module. |
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| D. Damaged pilot assembly or | Verify that ceramic insulator around the flame sensing rod is not |
| contaminated flame sensing | cracked, damaged, or loose. Verify connection from flame sensing |
| rod. | rod to white sensor wire. Clean flame sensing rod with emery cloth |
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| to remove any contaminants that may have accumulated on flame |
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| sensing rod. Verify continuity with a multimeter with ohms set at |
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| lowest range. Replace pilot if any damage is detected. |
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| E. Module. | Turn ON/OFF rocker switch or wall switch to OFF position. Remove |
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| ignitor wire “I” from module. Place ON/OFF rocker switch or wall |
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| switch in ON position. If there is no spark at “I” terminal module |
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| must be replaced. If there is a spark at “I” terminal, module is fine. |
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Heatilator • Novus NDV Series • | 63 |
