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
- Inspect the water inlet hose for any visible damage or loose connections.
- Tighten any loose connections on the water inlet hose.
- If you find any damage to the water inlet hose, replace it with a new one.
- After making repairs, turn on the water supply and check for leaks.
- 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.