E5
V-ZUG
Heating Circuit Fault
Dishwasher displays E5 and does not heat the water; dishes come out cold and possibly still wet.
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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
Heating element (flow-through heater) open circuit, Temperature sensor (NTC) defective, Wiring to heater burned or loose, Control board heater relay failure
How to Fix / Troubleshooting
Safety first: Disconnect power at the breaker. The heater operates at mains voltage and can be dangerous.
- Confirm symptom: Run a hot program and open the door after 15–20 minutes (carefully). If the water is cold and E5 appears, the heater circuit is likely faulty.
- Check supply temperature: If your V-ZUG dishwasher is connected to cold water only, this is normal; the machine must heat. If connected to hot water, ensure the hot supply is actually hot.
- Visual inspection: Remove the toe-kick and side panel (if accessible) and visually inspect the heater assembly and wiring for burn marks or loose connectors. Do not touch any capacitors or live parts.
- User-level reset: Turn the appliance off for 5 minutes, then restart a program. If E5 reappears quickly, the heater or NTC likely needs replacement.
- Professional repair: Measuring heater resistance and replacing the flow-through heater or NTC sensor is a technician-level task. Contact V-ZUG service.
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Repair Difficulty
Hard
4/5
Required Part
Flow-Through Heating Element / NTC Temperature Sensor
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