Troubleshooting
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Table 27: Test sequence for
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| DX, or cool or heat/ | Electric heat, | Outdoor air | Generic/ | ||||||
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| cool changeover valve | bypass damper | or heat valve | damper | ||||||||
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| heat | |||||||||
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1: Off1 | Off | Off | Off | Off | NA | Off |
| On | Off | NA | Off | On | Off |
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2: Fan high2 | High | Off | Off | Off | NA | On |
| Off | Off | NA | Off | Off | Off |
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3: Fan med3 | Off | Med | Off | Off | NA | On |
| Off | Off | NA | Off | Off | Off |
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4: Fan low4 | Off | Off | Low | Off | NA | On |
| Off | Off | NA | Off | Off | Off |
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5: Main open, | High | Off | Off | On | NA | On |
| Off | Off | NA | Off | Off | Off |
DX on |
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6: Main close, |
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DX off, aux | High | Off | Off | Off | NA | On |
| Off | On | NA | Off | Off | Off |
open |
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7: Aux open, | High | Exh | Off | Off | NA | On |
| Off | On | NA | Off | Off | Off |
exhaust fan5 |
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8: Aux close, | High | Off | Off | Off | NA | Off |
| On | Off | NA | On | Off | Off |
damper open |
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9: Outdoor air | High | Off | Off | Off | NA | Off |
| On | Off | NA | Off | On | Off |
damper close |
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10: Generic / |
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baseboard heat | High | Off | Off | Off | NA | Off |
| On | Off | NA | Off | Off | On |
energized |
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11: Exit6 |
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| Exit |
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1.Upon entering manual output test mode, the controller turns off all fan outputs and drives all dampers and valves closed (if required).
2.At the beginning of step 2, the controller attempts to clear all diagnostics.
3.If the unit is configured for a
4.If the unit is configured for a
5.If the unit is configured for a 1- or
6.After step 10, the test sequence performs an exit. This initiates a reset and attempts to return the controller to normal operation.
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