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Troubleshooting Chart
PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION*
NO HOT WATER 1. No power to heater.
2. High temperature limit shut-down.
3. Defective sensor.
1. Refer to “E02” of Diagnostic Code Chart- page 17.
2. Refer to “E03 or E07” of Diagnostic Code Chart- page 17.
3. Refer to “No Light” of Diagnostic Code Chart- page 19.
INSUFFICIENT HOT WATER 1. Defective lower element.
2. Temperature set too low.
3. Sediment or lime in tank.
4. Defective Dip Tube.
5. Heater too small for job.
6. Wrong piping connections.
7. Leaking faucets and/or plumbing
system.
8. Wasted hot water.
9. Long runs of exposed pipe.
10.Hot water piping on outside wall.
1. Refer to “E05” of Diagnostic Code Chart- page 17.
2. Set temperature to desired setting.
3. Drain, determine if water treatment is needed.
4. Replace Dip Tube.
5. Check and Install adequate water heater.
6. Correct piping.
7. Repair faucets and any leaks in the plumbing system.
8. Reduce hot water usage.
9. Insulate piping.
10.Insulate piping.
HIGH OPERATION COSTS 1. Temperature set too high.
2. Sediment or lime in tank.
3. Heater too small for job.
4. Leaking faucets and/or plumbing
system.
5. Wasted hot water.
6. Long runs of exposed piping.
7. Hot water piping in exposed wall.
8. Elements covered with sediment or
lime.
1. Lower temperature control or change to Energy Smart
®
Mode.
2. Drain, Flush-Provide water treatment if needed.
3. Install adequate heater.
4. Repair faucets and any leaks in the plumbing system.
5. Advise customer.
6. Insulate piping.
7. Insulate piping.
8. Replace elements.
SLOW HOT WATER RECOVERY 1. Upper element defective.
2. Leaking faucets and/or plumbing
system.
1. Refer to “E04” of Diagnostic Code Chart- page 17.
2. Repair faucets and any leaks in the plumbing system.
DRIP FROM T&P VALVE 1. Excessive water pressure.
2. Closed system.
3. Defective T&P valve.
1. Use pressure reducing valve and pressure relief valve (See
page 6).
2. See page 6, “Closed System/Thermal Expansion”.
3. Replace T&P valve.
WATER ODOR 1. Sulfides in the water. 1. See page 14, “Anode Rod/Water Odor”.
*These instructions are brief and intended as guidance for a qualifi ed person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.