(ESM) | (ET) | INDICATES |
| CORRECTIVE ACTION* |
ERROR CODE | DIAGNOSTIC LED |
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E9 | 9, 10, 11 or 12 FLASHES | Electronic Thermostat (ET) error | 1. | Turn off electrical power. |
E10 | (Red) |
| 2. | Check wiring at Electronic Thermostat (ET) for damage. |
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| 3. | Turn on electrical power at breaker. | |
E11 |
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| 4. | If this code flashes condition continues, replace the Electronic |
E12 |
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| Thermostat (ET). |
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*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call
20
