Error code · Mora

F40 · Water inlet leak

This error indicates a leak in the water inlet. Check the water inlet hose for any visible damage or loose connections.

DishwasherCall Technician — Professional Help NeededFixLens verified

Safe first steps

  1. Inspect the water inlet hose for any visible damage or loose connections.
  2. Tighten any loose connections on the water inlet hose.
  3. If you find any damage to the water inlet hose, replace it with a new one.
  4. After making repairs, turn on the water supply and check for leaks.
  5. If the error persists after checking the hose, arrange a service visit — do not use the appliance.

When to stop

  • Stop if you see water leaking near the appliance — risk of flooding.

Likely cause

This error indicates a leak in the water inlet. Check the water inlet hose for any visible damage or loose connections.

Verification

Reviewed by: automated manual extraction

Verified against Mora IM6434 technical documentation

FixLens publishes its own structured technical logic verified against Mora IM6434 documentation · last verified April 23, 2026.