E16
Ngenic
Internal Humidity Sensor Failure
Thermostat displays E16 and the app reports ‘Humidity sensor error’; humidity readings are missing or unrealistic.
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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 humidity sensor chip on thermostat PCB, Condensation damage inside thermostat housing, Corrupted calibration data, Contamination (dust, paint) on sensor opening
How to Fix / Troubleshooting
Safety: Do not open the thermostat casing; this can void warranty.
- Check environment: Ensure the thermostat is not installed in a bathroom, above a kettle, or in direct steam paths.
- Clean exterior: Gently wipe the thermostat casing with a dry cloth; do not use liquids or sprays near the sensor vents.
- Reboot and reset: Restart the thermostat and, if necessary, perform a factory reset to reload calibration data.
If E16 persists and humidity readings remain absent or clearly wrong, the internal humidity sensor is likely defective. The thermostat unit typically needs replacement.
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Repair Difficulty
Medium
3/5
Required Part
Ngenic Thermostat Display/Control Unit
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