Washer ZF/Nova N11174 Washer M10 Troubleshooting (Troubleshooting Guide)

On this page

Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

The M10 error on your ZF/Nova N11174 washer typically indicates a water supply issue. Check both hot and cold water valves are fully open, ensure the hoses are not kinked, and verify the water pressure is adequate. If the issue persists, inspect the inlet valves for clogs or failure.

Confirm the symptom

Error code M10 displayed on the washer's control panel
Washer not filling with water or filling very slowly
No water entering the drum despite the cycle starting

Tools and prep

Screwdriver (Phillips and flathead)
Adjustable wrench
Bucket or towels for water spills
Multimeter for testing electrical components
Owner's manual for model-specific details
Ensure the washer is unplugged or power is off at the circuit breaker
Shut off the water supply before inspecting hoses or valves

Step-by-step troubleshooting

Check Water Supply Valves
Do: Locate the hot and cold water valves behind the washer and ensure they are fully open.
Observe: Valves are open and not partially closed.
Means: The valves are correctly positioned for water flow.
Next: If valves are open, proceed to the next step.
Inspect Water Hoses
Do: Check the inlet hoses for kinks, cracks, or blockages. Straighten any kinks and replace damaged hoses.
Observe: Hoses are free of kinks and in good condition.
Means: Unobstructed water flow is possible.
Next: If hoses are clear, move to the next step.
Verify Water Pressure
Do: Turn on a nearby faucet to check water pressure. Low pressure may prevent the washer from filling properly.
Observe: Water flows steadily from the faucet.
Means: Adequate water pressure is present.
Next: If pressure is low, consider a pressure booster or contact your water provider.
Test Inlet Valves
Do: Use a multimeter to test the inlet valves for continuity. Replace any valve that shows no continuity.
Observe: Multimeter indicates continuity or no continuity in the valves.
Means: A failed inlet valve may be causing the issue.
Next: If a valve is faulty, replace it.
Clean Inlet Valve Screens
Do: Turn off the water supply and disconnect the hoses. Remove and clean the screens inside the inlet valves to clear any debris.
Observe: Valve screens are free of sediment or debris.
Means: Clogged screens are no longer restricting water flow.
Next: Reconnect the hoses and restore water supply to test.
Check for Error Code Clearance
Do: After addressing the above steps, power on the washer and check if the M10 error clears.
Observe: Error code no longer appears, and the washer fills with water.
Means: The issue is resolved.
Next: If the error persists, consider professional service.

Common causes

Cause	Likelihood	Difficulty	Part often needed
Closed or partially closed water valves Restricted water flow prevents the washer from filling.	Common	Easy	None
Kinked or damaged water hoses Physical obstructions in the hoses block water flow.	Common	Easy	Water inlet hoses
Low water pressure Insufficient pressure prevents the washer from drawing water.	Sometimes	Easy–Medium	Water pressure booster
Clogged inlet valve screens Debris in the screens restricts water flow to the washer.	Sometimes	Easy–Medium	Inlet valve cleaning kit
Failed inlet valves Electrical failure in the valves stops water from entering the washer.	Sometimes	Medium	Water inlet valves
Faulty water level pressure switch A malfunctioning switch may incorrectly signal low water levels.	Rare	Hard	Water level pressure switch

Parts matching

Common parts needed for resolving the M10 error include:

Water inlet hoses – Replace if kinked or damaged
Inlet valve assembly – Install if electrical testing shows failure
Water pressure booster – Use if low water pressure is diagnosed
Inlet valve cleaning kit – For clearing clogged screens
Water level pressure switch – Replace if faulty and causing false readings

Always match part specifications to your model number (N11174) to ensure compatibility.

When to call a professional

The M10 error persists after replacing the inlet valves and cleaning screens
You detect a water leak during inspection that you cannot safely repair
You are unsure about electrical testing or component replacement
The washer still does not fill with water after all troubleshooting steps are completed
Error reappears frequently after initial resolution

FAQ

What does the M10 error mean on my ZF/Nova washer?

The M10 error indicates a problem with water supply, such as closed valves, clogged hoses, or a faulty inlet valve.

Can I fix the M10 error without calling a technician?

Yes, in many cases. Start by checking water valves, hoses, and pressure. If these don't resolve the issue, test and replace inlet valves if necessary.

Why is my washer showing M10 even though the water is flowing?

The water level pressure switch might be faulty, or there could be an issue with the control board detecting the water level.

How do I test the inlet valves on my ZF/Nova washer?

Use a multimeter to check for continuity. If no continuity is detected, the valve is likely failed and needs replacement.

What should I do if the M10 error keeps coming back after fixing the issue?

Double-check all connections and parts for proper installation. If the problem persists, consult a professional technician for further diagnosis.