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Appliance Fix Guide

Samsung Dishwasher error code

Samsung Dishwasher Error 3C

Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).

Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).

EasyStart with 5-15 minutes of safe checks
informationalno_parts
Samsung dishwasher repair guide for error 3C
Error code3CDishwasher

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Verify household water supply valve to dishwasher is

    Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).

  2. 2
    Check water supply hose for kinks, crushing, or

    Check water supply hose for kinks, crushing, or blockages behind dishwasher.

  3. 3
    Disconnect supply hose from dishwasher inlet valve

    Disconnect supply hose from dishwasher inlet valve. Place towel underneath. Briefly open valve to confirm strong water flow into container.

A quick explanation

What does 3C mean?

Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).

The answer you came for

How to fix Samsung dishwasher error 3C

Start with the safest checks and work from simple to technical.

  1. 1

    Verify household water supply valve to dishwasher is

    Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).

  2. 2

    Check water supply hose for kinks, crushing, or

    Check water supply hose for kinks, crushing, or blockages behind dishwasher.

  3. 3

    Disconnect supply hose from dishwasher inlet valve

    Disconnect supply hose from dishwasher inlet valve. Place towel underneath. Briefly open valve to confirm strong water flow into container.

  4. 4

    Clean inlet screen filter inside valve port using

    Clean inlet screen filter inside valve port using old toothbrush and white vinegar solution. Rinse thoroughly under running water.

  5. 5

    Reconnect supply hose hand-tight plus 1/4 turn

    Reconnect supply hose hand-tight plus 1/4 turn. Ensure no leaks at connection.

  6. 6

    Confirm household water pressure is minimum 20 PSI

    Confirm household water pressure is minimum 20 PSI using pressure gauge at nearby faucet.

  7. 7

    Restore power

    Restore power. Start Normal cycle and verify dishwasher fills to proper level within 90 seconds.

  8. 8

    If error recurs, check for closed saddle valve

    If error recurs, check for closed saddle valve or clogged household water filter upstream.

Read the additional checks from the current guide

How to Fix Dishwasher Error Verify household water supply valve to dishwasher is fully open (turn counterclockwise until stop).Check water supply hose for kinks, crushing, or blockages behind dishwasher.Disconnect supply hose from dishwasher inlet valve. Place towel underneath. Briefly open valve to confirm strong water flow into container.Clean inlet screen filter inside valve port using old toothbrush and white vinegar solution. Rinse thoroughly under running water.Reconnect supply hose hand-tight plus 1/4 turn. Ensure no leaks at connection.Confirm household water pressure is minimum 20 PSI using pressure gauge at nearby faucet.Restore power. Start Normal cycle and verify dishwasher fills to proper level within 90 seconds.If error recurs, check for closed saddle valve or clogged household water filter upstream.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for Samsung Dishwasher error 3C points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

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