Zanussi · Washing machines · Error code

C1

What C1 means on Zanussi washing machines, what Zanussi says causes it and what to do, with the models it is documented for.

Source: Zanussi error code page, retrieved 3 Nov 2026 Verified

In short

Error code C1 is listed by Zanussi for its washing machines. Recommended action: Issue (4 steps), then applies to (3 steps); the steps are below. Zanussi documents it for Zanussi washing machines generally.

What Zanussi recommends

Issue

  1. Washing machine displays error message E10, E11, C1 or emits 1 beep / 1 flash.
  2. Problem with not taking in water, not taken in enough water or problems with the drain
  3. What does error code E10 mean in a washing machine?
  4. Washing machine does not fill with water, error code E10 appears on display

Applies to

  1. Washing machine
  2. Top loader washing machine
  3. Washer-dryer

Resolution

  1. Low or no water supply
  2. Blocked filters or hoses
  3. Drainage problems
  4. The machine is not filling with water
  5. It is filling too slowly
  6. There is a drainage issue
  7. Make sure the water tap is fully open
  8. Check that water pressure is adequate
  9. Test by filling a bucket from the tap (you should fill ~10 litres in about a minute)
  10. Turn off the water supply
  11. Remove the inlet hose
  12. Clean the small filter at the hose connection
  13. Check the filter in the machine’s inlet valve
  14. Reattach and ensure the hose is straight
  15. Inspect both inlet and drain hoses behind the machine
  16. Straighten any bends or twists
  17. Replace damaged hoses if necessary
  18. Make sure the drain hose is not inserted too far into the drain
  19. Check that it extends no more than 10 cm into the pipe
  20. Verify the drain height is between 60 cm and 100 cm
  21. Open the pump filter access panel
  22. Remove debris, lint, and foreign objects
  23. Check that the pump impeller rotates freely
  24. Run a hot wash without detergent to flush the system
  25. Test draining into a sink or bucket
  26. Ensure household drains are not clogged
  27. Check wastewater flow
  28. Avoid overdosing detergent
  29. Run an empty cycle to remove excess foam
  30. Unplug the appliance
  31. Wait at least 30 seconds
  32. Plug it back in and restart the cycle
  33. The error persists after completing all checks
  34. Water is not entering the machine at all
  35. You suspect a faulty inlet valve, pump, or sensor
  36. Water supply problems
  37. Blocked hoses or filters
  38. Drainage issues
  39. Incorrect detergent use
Video guides

Zanussi shows how

0:57 Play on YouTube:
How to solve AEG dishwasher & Washing Machine Error Codes | AEGAEG UK, shown on Zanussi UK support articles's page
1:06 Play on YouTube:
How To Prevent A Washing Machine Vibrating And Making Noise | AEGAEG UK, shown on Zanussi UK support articles's page

Videos are the manufacturer's own, embedded on its pages; they play from YouTube when you press play.

Which appliances this applies to

Documented by Zanussi for its washing machines generally, not for a specific model.

Questions people ask

Frequently asked questions

How do I fix Zanussi C1?

Issue: 1. Washing machine displays error message E10, E11, C1 or emits 1 beep / 1 flash.

Sources

Where these facts come from

Every fact on this page was read from the manufacturer's own product page or document at the address shown, and is labelled with how far it has been checked. Last updated 3 November 2026. Read how we source data, or report an error.