Troubleshooting Guide (continued).
Symptom | Possible Cause |
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| Action |
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System on indicator | Heating/cooling equipment turns on |
| Wait a minute after seeing the flame or snowflake and then |
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(flame=heat, snowflake= | the fan when the equipment has |
| check the registers. |
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cool) is lit, but no warm or | reached the setpoint. |
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cool air is coming from |
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the registers. |
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System on indicator | Filter expired. |
| Refer to the Filter Indication section. |
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reads Filter and backlight |
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is flashing. |
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Outdoor temperature not | Filter expired. |
| Press | twice for outdoor temperature when filter |
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displayed or is incorrect. |
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| expiration shows on display. |
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| Refer to the Filter Indication section. |
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| Installer did not activate this option. |
| Contact installer or service technician. |
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| Outdoor sensor is connected |
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| incorrectly. |
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LED is lit. | System switch is set to Em. Heat. |
| Move switch to Heat or Auto |
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| Compressor failure. |
| Contact service technician. |
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| Pub. No. | |
| 62 |
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