Troubleshooting Guide (continued).
Symptom | Possible Cause |
| Action |
|
|
|
|
|
|
Heating does not come | No power to the thermostat. |
| Check that setpoint is above room temperature. |
|
on. | System selection is not set to Heat. |
| Check if the circuit breaker is trippedÑreset the circuit |
|
| Heating setpoint is below room |
| breaker. |
|
| temperature. |
| Check if the fuse is blownÑreplace the fuse. |
|
|
|
| Check if the system switch at the equipment is in the Off |
|
|
|
| positionÑset to On position. |
|
|
|
| If 24 Vac is present, proceed with troubleshooting. |
|
|
|
| Wait five minutes for the system to respond (thermostat |
|
|
|
| displays Wait). |
|
|
|
| Set system selection to Heat. |
|
|
|
|
|
|
Cooling does not come | No power to the thermostat. |
| Check that setpoint is below room temperature. |
|
on. | System selection is not set to Cool. |
| Check if the circuit breaker is trippedÑreset the circuit |
|
| Cooling setpoint is above room |
| breaker. |
|
| temperature. |
| Check if the fuse is blownÑreplace the fuse. |
|
|
|
| Check if the system switch at the equipment is in the Off |
|
|
|
| positionÑset to On position. |
|
|
|
| If 24 Vac is present, proceed with troubleshooting. |
|
|
|
| Wait five minutes for the system to respond (thermostat |
|
|
|
| displays Wait). |
|
|
|
| Set system selection to Cool. |
|
|
|
|
|
|
|
|
| (continued) |
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|
| Pub. No. | |
| 61 |
| ||
