Table 6. Troubleshooting Tips | Bold text indicates a button, or text display on the thermostat. | ||
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No. | Issue / Problem | Possible Cause | Corrective Action / Comments |
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6 | High Balance Point and Low Bal- | Balance Point Control must be | − In the installer program select the equipment button, then scroll |
| ance Point are not listed as a menu | enabled to display as the High | down to system device to System and press edit. Scroll down the |
| item to adjust the setpoint on the ther- | Balance Point and Low Bal- | menu item choices to Balance Point Control and press edit. Select |
| mostat of the heat pump system. | ance Point in the menu and pro- | enable and press save. High Balance Point and Low Balance |
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| vide the ability for the installer to | Point are now listed; adjust the balance point settings and press |
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| adjust the setpoint. | save. |
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| − If Balance Point Control is not shown as a menu item choice, the |
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| system is not connected to Wi−Fi or does not have/recognize an |
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| outdoor sensor or the system is not a heat pump. |
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7 | icomfort thermostat does not show a | Dew Point Control will only be | − Add an outdoor sensor to the system and connect to the outdoor |
| choice for Dew Point Control Hu- | displayed if the system has an | sensor terminals on the indoor unit. |
| midification mode (only Basic and | outdoor sensor. | − icomfort system is not able to read the outdoor temperature sensor in |
| Precision choices). |
| the icomfort outdoor unit, check outdoor sensor. |
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8 | The icomfort does not display an alert | The red Critical Alert icon and | Go to the installer program alert button to view all alerts and details |
| code message, but the furnace or unit | homeowner alert button do not | about those alerts. |
| control displays a diagnostic code. | display non−critical alerts. |
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9 | The icomfort thermostat does not dis- | The icomfort control was re- | − Replacement icomfort controls do not have the Model # or Serial # |
| play the Model # and or Serial # in- | placed with a replacement control | loaded in the control. |
| door or outdoor unit. | before the icomfort system was | − The Model # and Serial # cannot be added to the control. |
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| initially setup or configured. | − System will still operate normally. |
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10 | A non−communicating 2−stage out- | The tage Compr" clip- | Cut the tage Compr" option link on the furnace or air handler |
| door unit was added to the system | pable option link on the furnace | control. |
| but the unit only runs in 2nd stage. | or air handler control must be cut |
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| when used with a non−communi- |
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| cating 2−stage outdoor unit. |
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11 | Transfer the Model #, Serial # and | The icomfort system is capable | Reconfigure the system using the installer program and select the |
| system settings to a replacement | of copying settings from the pre- | setup button. The system will go through the system discovery pro- |
| control. | vious configuration to the new | cess. The thermostat will display missing devices (old control) and |
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| compatible device (control) | found compatible devices (new control). Press the next button to |
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| found. | accept the new device and copy the settings. Thermostat will display |
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| Settings were copied after successfully copying the information to the |
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| new control. See section title Reconfiguring a system" in this manual. |
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| table continued on next page |
506920−01 09/12 | Page 56 |
