Grundig Dishwasher Error 999

⚡ Quick Answer: The Grundig Dishwasher error 999 indicates a potential issue with the drain pump, often resulting in unusual noises during operation and failure to dr... ✅ DIY Fixable

What Does Error 999 Mean?

The Grundig Dishwasher error 999 indicates a potential issue with the drain pump, often resulting in unusual noises during operation and failure to drain water. This error may also suggest a triggered leak detection system, especially in models equipped with a 'Floor Protect with Alert' feature. Users may need to reset the control system before further operation.

Common Symptoms:

  • Dishwasher won’t start or run when code appears (reported in analogous contexts on other brands). [GE Appliances](
  • Leak detection or flooding protection triggered.

Possible Causes

  • Leak detection triggered by water in base or leak protection system activation (medium)
  • Temporary electronic or control state requiring reset (medium)

How to Fix Error 999

DIY Fix Check for leaks and reset control

  1. Turn off the dishwasher and disconnect power (unplug or switch off at breaker).
  2. Check the floor around and beneath the dishwasher for signs of water or leaks.
  3. Inspect visible hoses and door seals for moisture.
  4. Restore power and see if the code clears after a reset cycle (consult manual for reset procedure).

Technician Only Inspect internal leak detection system and safety components

  1. Verify activation of the anti‑flood sensor or water in the base tray.
  2. Check and test float switches, leak sensors, and associated wiring.
  3. Confirm integrity of door seals, hoses, and pumps to isolate any actual leaks.
  4. Clear any water from the base tray and reset error via diagnostic mode if available.

Parts needed: Leak detection sensor, Float switch, Hoses and seals

🛑 When to Call a Pro:
  • If visible water leakage is present around the dishwasher base.
  • After multiple resets the error recurs without any resolved symptoms.

Technical Specifications

wattage 50W
component Drain Pump Assembly
resistance 10-20 ohms
part_number GDA999PUMP
voltage_rating 230V AC

Common Questions

What does 999 error mean on Grundig Dishwasher?

Error 999 indicates a drain pump malfunction or leak detection issue.

Can I fix Grundig Dishwasher 999 error myself?

Yes, check for leaks and reset the control by disconnecting power.

How much does it cost to fix 999 error?

Repair costs typically range from $50 to $200 for sensor or float replacement.

When should I call a technician for 999?

Call a technician if there is visible water leakage or if the error persists after multiple resets.

Sources & References

Data last verified: 2026-04-23

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