Samsung Dishwasher Error 4C

⚡ Quick Answer: The Samsung Dishwasher error code 4C indicates a water supply issue, meaning the dishwasher is not receiving enough water or is failing to fill within... ✅ DIY Fixable

What Does Error 4C Mean?

The Samsung Dishwasher error code 4C indicates a water supply issue, meaning the dishwasher is not receiving enough water or is failing to fill within the expected time. This can lead to malfunctioning, such as beeping or blinking lights. Common causes include an insufficient water supply, a kinked or blocked water inlet hose, or a faulty water inlet valve. Addressing these issues can often resolve the error quickly.

Common Symptoms:

  • Dishwasher starts but displays 4C before or shortly after attempting to fill.
  • Dishwasher does not fill with water or fills very slowly. [NerdyTechBlog](
  • Inadequate water detected by internal sensors/triggers.

Possible Causes

  • Insufficient or interrupted water supply to dishwasher (medium)
  • Kinked or blocked water inlet hose or clogged inlet filter screen (medium)
  • Faulty water inlet valve (medium)

How to Fix Error 4C

DIY Fix Check water supply basics

  1. Ensure the water supply valve to the dishwasher is fully open. [NerdyTechBlog](
  2. Verify adequate water pressure at nearby household faucet. [NerdyTechBlog](
  3. Inspect the supply hose for kinks or visible blockages.
  4. Check and clean the inlet filter screen where the supply hose connects.

Technician Only Inspect and test inlet valve & internal components

  1. Disconnect dishwasher from power and water supply.
  2. Test water inlet valve continuity and operation with appropriate tools.
  3. Replace faulty water inlet valve if it fails testing.
  4. Check internal water level/pressure sensor and related connections if valve and supply are normal.

Parts needed: Water inlet valve, Inlet hose and seals, Internal water level/pressure sensor

🛑 When to Call a Pro:
  • If basic supply checks (valve, hose, filter) do not resolve the issue. [NerdyTechBlog](
  • If water inlet valve or internal sensors are suspected to be faulty.

Next step

Choose the next step for 4C

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Water Inlet Valve

Controls the flow of hot and cold water into the appliance.

Typical part-only price
$25 - $60
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage 15W
component Water Inlet Valve
resistance 10-20 ohms
part_number DC62-00180A
voltage_rating 120V AC

Common Questions

What does 4C error mean on Samsung Dishwasher?

The 4C error indicates a water supply issue, causing the dishwasher to fail to fill properly.

Can I fix Samsung Dishwasher 4C error myself?

Yes, check the water supply valve, hose for kinks, and ensure adequate water pressure.

How much does it cost to fix 4C error?

Repair costs range from $50 to $200+, depending on parts and service rates.

When should I call a technician for 4C?

Call a technician if basic checks do not resolve the issue or if internal components are suspected to be faulty.

Data last verified: 2026-07-22

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