What does Samsung Dishwasher Won't Fill With Water - Causes & Fix mean?

Usually caused by a closed or partially closed water shutoff valve under the sink. Open it fully and check for kinked inlet hose.

How do I fix Samsung Dishwasher Won't Fill With Water - Causes & Fix?

Follow the step-by-step diagnosis below. The most likely fix is identified by checking power, sensor resistance, and control-board signals in order — using a multimeter and the part numbers documented in the parts reference table.

Can I keep running the equipment with this fault active?

Generally no. Faults on Appliance units are emitted when a sensor, safety, or control circuit is outside its operating envelope. Running through an active fault risks compressor, heater, or control-board damage. Diagnose and clear the fault first.

What part is most commonly replaced for Samsung Dishwasher Won't Fill With Water - Causes & Fix?

The most frequently replaced parts for Samsung Dishwasher Won't Fill With Water - Causes & Fix are listed in the Parts Reference section of this guide with OEM part numbers and typical price ranges. Check the table for direct replacements.

Is Samsung Dishwasher Won't Fill With Water - Causes & Fix a DIY repair or do I need a technician?

Sensor swaps, fan motor replacements, and condenser cleaning are typical DIY-level repairs. Anything involving refrigerant, gas, or high-voltage (>240V) work requires a licensed technician for both safety and code-compliance reasons.

Samsung Dishwasher Won't Fill With Water - Causes & Fix

Samsung Dishwasher Won’t Fill With Water — What’s Happening

A Samsung dishwasher that won’t fill with water is not displaying an error code but showing a symptom of a fill fault. The dishwasher is being commanded to start, but the fill sequence is not completing. On Samsung units, this can happen because the machine is intentionally blocking fill for a safety or interlock reason, or because the water path or electrical fill circuit has failed. Samsung’s own guidance treats this as a start and fill complaint and directs you to check the door and latch, Child Lock, Delay Start, and then service-related causes if it still will not fill.

Jump to Fix

Most Likely Causes

Water supply shut off or restricted The under-sink shutoff valve may be closed or only partially open, blocking flow to the dishwasher.
Kinked or clogged inlet hose The supply hose can be pinched, kinked behind the unit, or blocked by debris inside.
Clogged inlet valve screen or mineral buildup The valve inlet screen collects sediment and mineral scale over time, restricting water flow into the valve.
Failed water inlet valve solenoid The valve may not open even when the control board commands it, either mechanically stuck or electrically failed.
Stuck float or failed float switch A float stuck in the raised position or a bad float switch falsely tells the machine it is already full and blocks fill.
Door latch or door switch problem If the dishwasher does not detect a safely closed and latched door, it will not begin the fill sequence.
Low water pressure Insufficient house water pressure can prevent the dishwasher from filling properly even with an open valve and clear hose.

How to Diagnose and Fix

Start a wash cycle and confirm whether the machine attempts to fill at all or remains completely silent.
Check that the door is fully closed and latched, Child Lock is disabled, and Delay Start is not enabled.
Locate the shutoff valve under the sink and confirm it is turned fully open, not partially closed.
Pull the dishwasher forward enough to inspect the inlet hose for kinks, pinches, or visible blockage.
Shut off the water supply, disconnect the inlet hose at the valve, and remove and clean the inlet valve screen if debris or mineral scale is present.
Test the inlet valve electrically with a multimeter if accessible, and replace it if it does not respond to command voltage or tests out of spec.
Check that the float inside the tub moves freely up and down and is not stuck in the raised position, and inspect the float switch for debris or electrical failure.
If supply, hose, float, and valve all test good but the unit still will not fill, verify the control board is sending voltage to the valve and inspect the wiring harness and connectors for damage or loose connections.

Parts You Might Need

Part	Notes
Water inlet valve	Amazon \| Replace if mechanically stuck, leaking, or electrically failed and not opening on command.
Float switch	Amazon \| Replace if stuck, debris-blocked, or electrically open when the float is in the down position.
Door latch assembly	Amazon \| Replace if the latch or door switch is broken and not signaling a closed door to the control.

If your appliance also shows a code on the display, these match this problem:

When to Call a Pro

Call a pro if you have verified the water supply is open and the hose is clear but the dishwasher still will not fill, or if you are not comfortable working with electrical testing and part replacement. Also call if the inlet valve, float, and all external checks pass but the control board is not sending voltage to the valve, since that points to a wiring harness issue or failed control board that requires systematic electrical diagnosis.