E01 Error: NTC temperature sensor fault — Heating system malfunction

NTC temperature sensor fault — Heating system malfunction

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Diagnostic Steps

1

Step 1

Check the NTC sensor resistance with a multimeter (should be ~10kΩ at 25°C)
2

Step 2

Inspect the heater element for visible damage
3

Step 3

Check wiring connections to the NTC sensor and heater
4

Step 4

Replace the NTC sensor if resistance is out of range

⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.

OEM: 00171260

NTC thermistor (temperature sensor). Causes E01/E17 errors when faulty. Test resistance: ~10kΩ at 25°C.

OEM: 00481280

Main heating element for wash water. Causes E09 error when faulty. Check continuity with multimeter.

What does the E01 error mean on a Bosch dishwasher?↓

NTC temperature sensor fault — Heating system malfunction

Can I fix the E01 error myself?↓

Many E01 faults can be resolved by a competent DIYer. Always disconnect from mains power first. If unsure, consult a qualified engineer.