UK Appliance Error Codes

Error code

Samsung Dishwasher Error Code 3C

Samsung Dishwasher 3C usually means the dishwasher fills but cannot begin active washing properly. Try one safe power reset, then stop if it returns.

Last updated: 20 May 2026

Quick answer

3C: what does it mean and how to fix

high severity

What does it mean?

the dishwasher fills but cannot begin active washing properly.

How to fix first

Disconnect power before checking the accessible filter and sump area.

Why is this happening?

Wash motor or circulation fault

When should I call an engineer?

Call an appliance engineer if 3C returns, the dishwasher fills but does not spray, or the wash motor or control system may need testing.

What does this error code mean?

Samsung dishwasher error code 3C, sometimes shown as 3E on some displays, usually means the dishwasher fills but does not move into normal wash action. It may point to a wash motor, circulation, or control problem.

There are few meaningful DIY checks beyond power reset, filters, loading, and visible obstructions. Repeated 3C should be treated as a professional diagnosis issue.

3C relates to the transition from filling into active washing, including circulation, motor drive, and control checks.

Symptoms users may notice

  1. The dishwasher may fill but not start spraying.
  2. The programme may stop before the wash phase.
  3. Cleaning results may be poor or absent.

Why is this happening?

  1. Wash motor or circulation fault
  2. Obstruction affecting wash action
  3. Control fault stopping the wash phase
  4. Temporary electronic interruption

What this usually points to

3C relates to the transition from filling into active washing, including circulation, motor drive, and control checks.

How to fix this safely

  1. Disconnect power before checking the accessible filter and sump area.
  2. Remove visible debris and make sure spray arms can turn freely.
  3. Power the dishwasher off for one minute, then try one short restart.
  4. Stop if 3C returns or there is no spray action.

Can I fix this myself?

Maybe

You can clean filters, check for visible obstructions, and try one reset. Motor or control faults need an engineer.

Safety boundary: Disconnect power before accessible checks. Do not remove panels, inspect motors, or work on wiring.

What not to do

  1. Do not keep restarting if there is no wash action.
  2. Do not remove panels to access the motor.
  3. Do not ignore unusual electrical smells or noises.

Reset steps

  1. Switch off power for at least one minute.
  2. Restart only after filters and spray arms are refitted correctly.
  3. Stop if the dishwasher fills but still does not wash.

Intermittent vs persistent faults

A temporary control interruption may clear once, but repeated 3C should be treated as persistent.

When to call an engineer

Call an appliance engineer if 3C returns, the dishwasher fills but does not spray, or the wash motor or control system may need testing.

Safety warning

Disconnect the dishwasher from power before checking filters or spray arms, and do not remove panels or inspect internal motors yourself.

Useful hub links

Related motor drive fault codes

Relevant guide

Frequently asked questions

What does Samsung dishwasher 3C mean?+

Samsung Dishwasher Error Code 3C usually means the dishwasher fills but cannot begin active washing properly.

Is Samsung 3C the same as 3E?+

Some Samsung dishwasher guidance groups 3C and 3E together, but always check your model manual for exact wording.

Can cleaning the filter fix Samsung 3C?+

It may help if debris is affecting water movement, but repeated 3C often needs motor or control diagnosis.