E16
Electrolux
Tank Thermostat / Sensor Failure (Storage-Type Models)
Display shows E16; unit may overheat or shut down unexpectedly
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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
Defective tank thermostat, Loose bulb or probe from tank well, Broken capillary tube, Faulty tank NTC sensor
How to Fix / Troubleshooting
Safety first: Turn OFF power and allow the tank to cool. Hot water in a pressurized tank can be dangerous.
Steps:
- 1. Access thermostat: Remove the access cover on the tank body to expose the thermostat or NTC sensor.
- 2. Check probe position: Ensure the thermostat bulb or NTC probe is fully inserted into the tank well and secured.
- 3. Inspect capillary tube: For mechanical thermostats, check for kinks or breaks in the capillary tube. Replace the thermostat if damaged.
- 4. Test thermostat/NTC: For mechanical types, verify continuity and cut-in/cut-out temperatures per specifications. For NTC sensors, measure resistance and compare to the Electrolux curve.
- 5. Replace faulty component: Install a new Electrolux thermostat or tank sensor if readings are incorrect.
Note: After replacement, verify that the tank heats to the set temperature and then cycles off correctly.
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Repair Difficulty
Medium
3/5
Required Part
Tank Thermostat / Tank NTC Sensor
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