Rowenta Ineffective Heating (No Error Displayed)

Heated cleaning mode seems to have little or no effect; water feels cold at the nozzle.

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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

Partially failed heater element, Thermostat stuck open, NTC sensor reading too low, Heavy scale buildup on heater

How to Fix / Troubleshooting

Safety first: Unplug and allow the unit to cool before accessing the heater.

  • Verify mode selection: Ensure the heated mode is actually selected and the indicator (if present) is lit.
  • Descale heater: Run a descaling solution approved for small appliances through the clean water tank and heater, then flush with clean water.
  • Test heater: Access the heater terminals and measure resistance. Compare with service data; a significantly higher resistance than normal can indicate partial failure.
  • Check thermostat: Test any inline thermostat for continuity at room temperature. Replace if open when it should be closed.
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Repair Difficulty

Hard 4/5

Required Part

Solution Heater Assembly
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