Troubleshooting Chart
PROBLEM |
| POSSIBLE CAUSE(S) |
| CORRECTIVE ACTION* |
NO HOT WATER | 1. | No power to heater. | 1. | Refer to “E02” of Diagnostic Code Chart- page 17. |
| 2. | High temperature limit | 2. | Refer to “E03 or E07” of Diagnostic Code Chart- page 17. |
| 3. | Defective sensor. | 3. | Refer to “No Light” of Diagnostic Code Chart- page 19. |
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INSUFFICIENT HOT WATER | 1. | Defective lower element. | 1. | Refer to “E05” of Diagnostic Code Chart- page 17. |
| 2. | Temperature set too low. | 2. | Set temperature to desired setting. |
| 3. | Sediment or lime in tank. | 3. | Drain, determine if water treatment is needed. |
| 4. | Defective Dip Tube. | 4. | Replace Dip Tube. |
| 5. | Heater too small for job. | 5. | Check and Install adequate water heater. |
| 6. | Wrong piping connections. | 6. | Correct piping. |
| 7. | Leaking faucets and/or plumbing | 7. | Repair faucets and any leaks in the plumbing system. |
| 8. | system. | 8. | Reduce hot water usage. |
| Wasted hot water. | |||
| 9. | Long runs of exposed pipe. | 9. | Insulate piping. |
| 10.Hot water piping on outside wall. | 10.Insulate piping. | ||
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HIGH OPERATION COSTS | 1. | Temperature set too high. | 1. | Lower temperature control or change to Energy Smart® Mode. |
| 2. | Sediment or lime in tank. | 2. | Drain, |
| 3. | Heater too small for job. | 3. | Install adequate heater. |
| 4. | Leaking faucets and/or plumbing | 4. | Repair faucets and any leaks in the plumbing system. |
| 5. | system. | 5. | Advise customer. |
| Wasted hot water. | |||
| 6. | Long runs of exposed piping. | 6. | Insulate piping. |
| 7. | Hot water piping in exposed wall. | 7. | Insulate piping. |
| 8. | Elements covered with sediment or | 8. | Replace elements. |
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| lime. |
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SLOW HOT WATER RECOVERY | 1. | Upper element defective. | 1. | Refer to “E04” of Diagnostic Code Chart- page 17. |
| 2. | Leaking faucets and/or plumbing | 2. | Repair faucets and any leaks in the plumbing system. |
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| system. |
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DRIP FROM T&P VALVE | 1. | Excessive water pressure. | 1. | Use pressure reducing valve and pressure relief valve (See |
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| page 6). |
| 2. | Closed system. | 2. | See page 6, “Closed System/Thermal Expansion”. |
| 3. | Defective T&P valve. | 3. | Replace T&P valve. |
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WATER ODOR | 1. | Sulfides in the water. | 1. | See page 14, “Anode Rod/Water Odor”. |
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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
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