Neff Dishwasher Error h01

⚡ Quick Answer: The h01 error code on your Neff Dishwasher indicates that a delayed start timer has been set for one hour, causing the dishwasher not to start immedia... ✅ DIY Fixable

What Does Error h01 Mean?

The h01 error code on your Neff Dishwasher indicates that a delayed start timer has been set for one hour, causing the dishwasher not to start immediately. This code typically appears before the wash cycle begins and may be accompanied by a flashing display. To resolve this, cancel the delayed start by adjusting the settings to h:00, select your desired wash program, and press Start to initiate the cycle without delay.

Common Symptoms:

  • Display shows "h01" (lowercase h) and dishwasher does not start immediately.
  • Dishwasher waits approximately 1 hour before beginning cycle.
  • Occurs before program start, not during washing.

Possible Causes

  • Delayed start/timer set to 1 hour (medium)

How to Fix Error h01

DIY Fix Cancel the delayed start

  1. Press the delay start/time settings button repeatedly until the display shows h:00 or no delay.
  2. Select the desired wash program.
  3. Press Start to begin the cycle immediately.

DIY Fix Verify normal operation

  1. Check that the dishwasher door is fully closed and latched.
  2. Ensure water and power supplies are connected properly.
  3. Restart the dishwasher if it doesn’t start immediately after clearing the timer.

Technician Only Check for unintended electronic faults if code persists

  1. Confirm that the display and control panel are functioning correctly.
  2. Verify that timer/delay programming circuitry is responsive and not stuck.
  3. Inspect input buttons and control board for damage or sticky switches.

Parts needed: Control panel/timer buttons, Control board (if needed)

🛑 When to Call a Pro:
  • h01 remains displayed even after clearing the delay setting and restarting.
  • Other error codes or symptoms appear concurrently.
  • Physical buttons or control panel behave erratically.

Next step

Choose the next step for h01

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

Typical part-only price
$120 - $280
DIY difficulty
Medium
Estimated time
20-40 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.

Find a part that fits my model

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.

Model number required

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.

Find a part that fits my model

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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.

Maintenance supply

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.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number 174001
voltage_rating 230V AC

Common Questions

What does h01 error mean on Neff Dishwasher?

The h01 error indicates a delayed start timer set for one hour, causing the wash cycle to not start immediately.

Can I fix Neff Dishwasher h01 error myself?

Yes, you can cancel the delayed start by adjusting the timer settings and selecting the desired wash program.

How much does it cost to fix h01 error?

Repair costs for the h01 error can range from ¥10,000 to ¥40,000, depending on parts and labor.

When should I call a technician for h01?

Call a technician if the h01 code persists after clearing the delay setting or if other error codes appear.

Sources & References

Data last verified: 2026-07-22

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