Viking dishwasher Error Code E3

What does E3 mean?

Water temperature did not reach target within time limit or sensor is faulty.

Common causes

• Failed heating element
• Faulty NTC temperature sensor
• Incoming water too cold
• Control board relay not activating heater

Diagnostic & testing steps

1. 1. Test heating element resistance: 10-30 ohms
2. 2. Test NTC temperature sensor: ~10K-15K ohms at room temperature
3. 3. Verify hot water supply to dishwasher is at least 120°F
4. 4. Check control board relay for heater circuit
5. 5. Run diagnostic cycle to verify temperature rise

Tools required

• Multimeter
• Thermometer

OEM parts & part numbers

Heating Element, NTC Temperature Sensor

Part numbers: PD140034, PD140036

Safety warning

⚠️ Disconnect power before testing heating element