E06
Fairland Water Inlet Temperature Sensor Fault

Heater displays E06 and stops; may occur intermittently during operation.

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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 inlet NTC sensor, Loose or corroded sensor connector, Damaged sensor cable due to vibration or UV exposure, Water ingress into sensor pocket

How to Fix / Troubleshooting

Safety: Turn off power and close water valves before removing any sensors from the plumbing.

Steps:

  • Locate inlet sensor: On Fairland units, the inlet water temperature sensor is usually threaded or inserted into a sensor well on the water inlet manifold.
  • Inspect connection: Check the plug at the sensor and at the main PCB. Clean any corrosion and reseat firmly.
  • Check for leaks: Look for moisture around the sensor body that could indicate a seal failure.

Resolution:

  • If E06 persists, the inlet water temperature sensor should be replaced. Use thread sealant or the supplied O-ring as specified by Fairland.
  • A technician can verify sensor resistance against Fairland’s temperature-resistance chart.
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Repair Difficulty

Medium 3/5

Required Part

Inlet Water Temperature Sensor (NTC)
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