Domccy EC18 - User Manual

Questions and Answers

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Rhonda BrennanAug 15, 2025
What to do if Domccy Water Heater is not heating but the power indicator is on?
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  Tabitha WebbAug 15, 2025
  If your Domccy Water Heater's power indicator is on, but it's not heating, several factors could be the cause: * There may be no water flow. Check the water supply channel, clean the filter at the unit, and clean the faucet aerator or shower head. * The water flow might be too small to start the unit. Increase the water flow. * There could be a control board failure. In this case, cut off the power and contact your local dealer.
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jaime71Aug 18, 2025
Why Domccy EC18 Water Heater is not hot enough?
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  Brian StewartAug 18, 2025
  If your Domccy Water Heater is working, but the outlet temperature isn't hot enough, consider these possibilities: 1. The temperature setting might be too low. Increase the setting temperature. 2. The water flow could be excessive. Reduce the water flow. 3. There may be faulty wiring. If this is a new installation, have an electrician check the wiring carefully. If not, contact your local dealer. 4. The voltage might be too low. Check the power supply. 5. The temperature sensor may have failed. Replace the temperature sensor. 6. The heating element could be damaged. Replace the heating element.
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Janet PearsonAug 21, 2025
What to do if Domccy EC18 does not work and the power indicator is off?
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  Walter LloydAug 21, 2025
  If your Domccy Water Heater isn't working and the power indicator is off, it could be due to: 1. Incorrect power wiring or no power. Ensure the main circuit breakers supplying the water heater are on. 2. A wiring error within the unit. 3. A problem with the circuit breaker. If these steps don't resolve the issue, contact your local dealer.
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Mary KentAug 25, 2025
Why is Domccy Water Heater too hot?
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  lopezjuanAug 26, 2025
  If your Domccy Water Heater is heating, but the outlet temperature is too hot, here are some possible reasons: 1. The temperature is set too high. Adjust the setting to a lower temperature. 2. The water flow is too low. Increase the water flow. 3. There is a PCB failure. Cut off the power and contact your local dealer.
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Amanda HutchinsonAug 27, 2025
How to fix water leakage at the inlet and outlet connector of Domccy EC18?
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  Susan SmithAug 27, 2025
  If you notice water leaking at the inlet or outlet connector of your Domccy Water Heater: 1. The connector may not be installed correctly. Try tightening the connector. 2. The seal might be damaged. Replace the seal.
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Tyler HernandezAug 30, 2025
How to increase the outlet flow of Domccy EC18 Water Heater?
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  Kenneth JonesAug 30, 2025
  If the outlet flow of your Domccy Water Heater is reduced, the inlet filter, shower, or faucet might be clogged. Clean these components to restore the flow.
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Michael CurtisSep 2, 2025
What does error LF mean on Domccy EC18 Water Heater?
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  Edward LewisSep 2, 2025
  If your Domccy Water Heater displays 'LF', it means the inlet flow is too small to start the unit. You should increase the inlet pipe flow.
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rzhangSep 5, 2025
What to do if Domccy EC18 displays E4?
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  Tamara SalasSep 5, 2025
  If your Domccy Water Heater displays 'E4', it indicates that the inlet and outlet pipes are reversed. Turn off the unit and check if the pipes are indeed reversed. If they are, reconnect them correctly.
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Joe FloresSep 8, 2025
What does error LL mean on Domccy EC18?
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  Kevin MyersSep 8, 2025
  If your Domccy Water Heater displays 'LL', it means the inlet temperature is lower than 37°F (3?). The unit will not work under this condition.
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James BurgessSep 12, 2025
What does error HH mean on Domccy Water Heater?
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  Madison TranSep 12, 2025
  If your Domccy Water Heater displays 'HH', it indicates that the outlet temperature is higher than 167°F (75?). The unit will not function when the outlet temperature exceeds this limit.