Zanussi Dishwasher Error I70
⚡ Quick Answer: The Zanussi Dishwasher error I70 indicates a fault with the temperature sensor (NTC) located in the sump or heater area. This error often manifests as... ✅ DIY Fixable
What Does Error I70 Mean?
The Zanussi Dishwasher error I70 indicates a fault with the temperature sensor (NTC) located in the sump or heater area. This error often manifests as the dishwasher displaying I70 on the control panel, accompanied by inadequate heating or failure to complete the heating cycle. Unusual noises during operation may also be present, suggesting issues with the drain pump.
Common Symptoms:
- Dishwasher displays I70 on the control panel
- Dishwasher may not heat correctly or complete heating cycle
Possible Causes
- Faulty temperature sensor (NTC) in sump or heater area (high)
- Loose/corroded wiring or connection to NTC sensor (medium)
How to Fix Error I70
DIY Fix Basic checks and reset
- Turn off and unplug the dishwasher from the power supply.
- Clean the filter and sump area to remove debris or foam that could affect sensors.
- Plug the dishwasher back in and start a normal cycle to see if the I70 clears.
Technician Only Inspect and test temperature sensor (NTC)
- Disconnect power to the dishwasher.
- Access the sump/heater assembly to locate the NTC temperature sensor.
- Inspect the sensor connector for corrosion or looseness and clean/resit if needed.
- Measure the NTC resistance with a multimeter and compare to the manufacturer’s specification; replace if open/short or out of range.
Parts needed: NTC temperature sensor, sensor wiring harness/connectors
- If the error persists after basic cleaning and reset
- If the temperature sensor tests indicate a fault requiring part replacement
- If there are complex wiring issues beyond basic connector cleaning
Next step
Choose the next step for I70
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does I70 error mean on Zanussi Dishwasher?
I70 error indicates a temperature sensor fault, resulting in heating issues and unusual noises.
Can I fix Zanussi Dishwasher I70 error myself?
Yes, you can perform basic checks, reset, and clean filters to attempt to resolve the issue.
How much does it cost to fix I70 error?
Repair costs range from $30–$120 for parts, plus additional service time.
When should I call a technician for I70?
Call a technician if the error persists after basic troubleshooting or if complex wiring issues arise.
Sources & References
- Dishwasher displays error code i70 - Zanussi (official)
Data last verified: 2026-07-31
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