E14
Dimplex Fan Motor / Airflow Fault (for fan-assisted Dimplex water heaters)

E14 error; unit fan (on fan-assisted models) does not run and heater shuts down

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed fan motor, Blocked air intake or exhaust, Faulty fan speed sensor, Loose fan connector

How to Fix / Troubleshooting

Safety: Disconnect power before accessing the fan compartment.

  • Check vents: Ensure that air intake and exhaust grilles are not blocked by dust, insulation, or objects. Clean as needed.
  • Inspect fan: Remove the cover and locate the fan assembly. Check that the fan blades spin freely by hand and are not obstructed.
  • Verify connections: Reseat the fan motor connector on the PCB. Look for signs of overheating or corrosion.
  • Test fan: If you have the skills and tools, apply appropriate test voltage to the fan motor to confirm operation. Replace the fan assembly if it does not run.

Note: If the fan runs but E14 persists, the fan speed sensor or PCB may be faulty and should be checked by a technician.

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Repair Difficulty

Hard 4/5

Required Part

Fan Motor Assembly
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