(ESM) ERROR CODE | INDICATES |
| CORRECTIVE ACTION* |
E51 with an alert Icon flashing. | A failure to communicate with the Electronic | 1. | Turn off electrical power at the breaker, check all electrical connections, |
| Thermostat (ET). |
| and wiring for damage. |
|
| 2. | Replace the Electronic Thermostat (ET). |
|
| 3. | Turn on electrical power at breaker. |
|
|
|
|
E52 with an alert Icon flashing. | Energy Smart® Module (ESM) is receiving the | 1. | Turn off electrical power at the breaker, check all electrical connections, |
| wrong data from the Electronic Thermostat |
| and wiring for damage. |
| (ET). | 2. | Replace the Energy Smart® Module (ESM), if this does not correct the |
|
| ||
|
|
| problem, also replace Electronic Thermostat (ET). |
|
|
|
|
E71 with an alert Icon flashing. | Energy Smart® Module (ESM) thermistor | 1. | Turn off electrical power at the breaker, check all electrical connections, |
| failure. |
| and wiring for damage. |
|
| 2. | Turn on electrical power at breaker. |
|
| 3. | If error returns call service technician for assistance. |
|
|
|
|
*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call
18
