E13
Danstoker
Return Water Temperature Sensor Failure
Boiler display shows E13; return temperature sensor fault.
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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
Open or shorted return sensor (NTC/PT100), Damaged sensor cable, Loose terminals on Danstoker controller input, Sensor out of calibration
How to Fix / Troubleshooting
Safety: Isolate power before accessing the control panel or sensors.
- Inspect wiring: Trace the cable from the return temperature sensor on the Danstoker boiler return connection to the controller. Tighten any loose terminals and look for cuts or abrasions.
- Measure resistance: With power off, disconnect the sensor and measure its resistance with a multimeter. Compare to the manufacturer’s resistance/temperature table. Replace if readings are out of range.
- Check for shorts: Ensure the sensor cable is not pinched or shorted to ground.
- Controller input: If a known-good sensor still shows E13, the controller input may be faulty and require replacement.
After replacing or reconnecting, clear the fault and verify correct temperature readings.
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Repair Difficulty
Medium
3/5
Required Part
Return Temperature Sensor
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