| CONFIRM MALFUNCTIONING SENSOR. |
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1) Set the air flow control dial to AUTO. 2) Turn the fan speed control dial to each mode position, and check each switch LED illumination according to sensor check table. |
| QUESTION | |
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When turning the fan speed control dial to each mode position, does the FRESH/RECIRC switch LED go off? | |
| Yes | No |
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Repair the defective sensor. |