E36
Bosch Heater Safety / Overtemperature Sensor Error

Washer displays E36; safety temperature sensor or heater protection issue

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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

Faulty safety thermostat (if fitted), Shorted NTC sensor, Control board heater safety circuit fault, Wiring short near heater

How to Fix / Troubleshooting

Safety first: Disconnect power and allow the machine to cool completely.

  • Inspect heater wiring: Check for damaged insulation or shorted wires around the heater and NTC sensor.
  • Test NTC and thermostat: Measure resistance of the NTC and any inline safety thermostat. Replace if shorted or open.
  • Control board check: If sensors and wiring are good, the heater safety circuit on the control board may be defective and require replacement.
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Repair Difficulty

Professional Required 5/5

Required Part

NTC Temperature Sensor
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