E tS
Speed Queen
Water Temperature Sensor (Thermistor) Fault
Front-load washer displays E tS; temperature sensor error.
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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 thermistor, Loose thermistor wiring, Shorted or open sensor circuit, Control board input failure
How to Fix / Troubleshooting
Safety: Unplug the washer before accessing internal components.
- 1. Locate thermistor: On many Speed Queen front-loaders, the thermistor is mounted in the heater housing or tub outlet.
- 2. Inspect wiring: Check the harness from the thermistor to the control board for damage or loose connections.
- 3. Test thermistor: Use a multimeter to measure resistance at room temperature and compare to Speed Queen specifications. An open or shorted reading indicates failure.
- 4. Replace thermistor: If out of spec, install a new OEM thermistor.
- 5. Control board: If the sensor and wiring are good, the control board may be misreading the signal; professional diagnosis is advised.
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Repair Difficulty
Medium
3/5
Required Part
Water Temperature Sensor (Thermistor)
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