T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Table 6. Troubleshooting Guide. (Continued)
Symptom | Possible Cause | Action |
System on indicator | Heating or cooling equipment is | Verify operation of heating or cooling equipment in |
(flame=heat, | not operating. |
|
snowflake=cool) is |
|
|
displayed, but no |
|
|
warm or cool air is |
|
|
coming from the |
|
|
registers. |
|
|
Outdoor tempera- | Option not activated. | Enter Installer Setup number 24 and set to 1. Thermostat must |
ture not displayeda |
| have OT terminals and a C7089B1000 installed. |
Outdoor | Outdoor sensor is connected | Refer to C7089B1000 Installation Instructions and check wiring |
temperature | incorrectly. | between the thermostat and sensor. |
display is incorrecta |
|
|
Wrong sensor. | Replace sensor with C7089B1000 Sensor. | |
aSelect models. |
|
|
11 |
