![2-20. FLAME SENSOR](/images/new-backgrounds/64331/6433173x1.webp)
| Model OFG- 390 |
| The flame sensor should glow a bright red when the pilot is lit and |
ASSEMBLY | allows the gas valve to open. If it does not sense a flame, it |
| shuts down the gas valve. |
Replacement | 1. Remove electrical power supplied to the unit. |
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| To avoid electrical shock or property damage, move the |
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| POWER switch to OFF and disconnect main circuit |
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| breaker, or unplug cord at wall receptacle. |
| 2. | Remove the control panel as discussed in the Complete Control |
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| Panel Section. |
| 3. | Pull the wire off of the terminal of the flame sensor. |
| 4. | Using Phillips head screwdriver, remove the screw securing the |
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| flame sensor assembly, and remove the assembly from the unit. |
| 5. | Replace with new assembly in reverse order. Make sure the |
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| flame sensor has 1/4” gap between it and the pilot hood. |
| For the proper function of the ignitor and flame sensor it is critical | |
SENSOR ADJUSTMENT | that they are at the adjusted properly. The flame rectification, from | |
| the flame sensor to the module, should at least be 1.3 microamps. | |
| See photos. |
Ground Rod | Flame Sensor |
| Flame Sensor | |||
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| 1/8 in. (.32 cm.) |
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| 1/4 in. | ||||
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| (.63 cm.) |
Spark Electrode | Spark Electrode |
1003
If the burner assembly is removed from the cooker to install and adjust the parts, once the assembly is