Troubleshooting (continued)
Symptom | Possible Cause | Corrective Action | |
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4. Pilot lights but con- | A. A shorted or loose connection in | Verify all connections to wiring diagram in manual. Verify connec- | |
tinues to spark, and | flame sensing rod. | tions underneath pilot assembly are tight. Verify flame sense or ig- | |
main burner will not |
| niter wires are not grounding out to metal chassis, pilot burner, pilot | |
ignite. (If the pilot |
| enclosure or screen if present, or any other metal object. | |
continues to spark |
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| |
B. Poor flame rectification or contami- | With fixed glass assembly in place, verify that flame is engulfing | ||
after the pilot flame | |||
nated flame sensing rod. | flame sensing rod on left side of pilot hood. Flame sensing rod | ||
has been lit, flame | |||
| should glow shortly after ignition. With a | ||
rectification has not |
| ||
| current in series between module and sense lead is at least 0.14 | ||
occurred.) |
| ||
| microamps. Verify correct pilot orifice is installed and gas inlet is set | ||
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| ||
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| to pressure specifications. Polish flame sensing rod with fine steel | |
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| wool to remove any contaminants that may have accumulated on | |
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| flame sensing rod. | |
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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 con- | Verify that ceramic insulator around the flame sensing rod is not | |
| taminated flame sensing rod. | cracked, damaged, or loose. Verify connection from flame sensing | |
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| rod to white sensor wire. Polish flame sensing rod with fine steel | |
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| wool to remove any contaminants that may have accumulated on | |
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| flame sensing rod. Verify continuity with a | |
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| at lowest range. Replace pilot if any damage is detected. | |
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42 | Heat & Glo • |
