Washer does not heat water properly, cycle takes very long, E5 displayed on Casarte washer.

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.

Possible Causes

Failed tub heating element, Faulty NTC temperature sensor, Loose or burnt heater wiring, Defective main control board heater relay

Safety first: Unplug the washer. Heating components operate at mains voltage.

1. Confirm symptom: Check if the door glass feels warm during a hot wash.
2. Access heater: Remove the rear panel to find the tub heating element.
3. Inspect wiring: Check for burnt marks or loose connectors at the heater and NTC.
4. Test heater: Measure resistance (typical 20–30 Ω). Infinite means it is open.
5. Check NTC sensor: Measure resistance (typical 10–20 kΩ at room temp).
6. Replace parts: If defective, install a new heater or sensor.

Hard 4/5

Tub Heating Element

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