Error Code 4C

The dishwasher is not getting enough water to run a cycle

Also displayed as: 4C

What This Means

Water supply pressure is low; Water supply valve is closed; Aqua stop is out of order; Foreign material in water supply line or water valve filter; Water valve connector disconnected; Water valve coil defective; Main PBA defect

First Thing to Check

Parts Involved

How to Fix

1. 1

   1. Check whether the faucet is open

2. 2

   2. Check whether the water supply has been cut off

3. 3

   3. Check whether any foreign material is in the water supply line and the water valve filter — clean the filter with a brush

4. 4

   4. Check the connection for the water valve connector — reconnect if loose

5. 5

   5. Check whether the coil in water valve is conductive (remove connector before measuring) — Normal: approx. 990 ohms +/-10% (890-1089 ohms)

6. 6

   6. Check whether the water supply stops after water is supplied for 1 minute — check water supply pressure (must be greater than 1.0 bar / 14.5 psi)

7. 7

   7. Check whether the water valve is operating normally — check voltage between Blue wire (Number 6) of CN401 and Red wire of CN101 connector — Normal: 110-120V while operating

8. 8

   8. Check the Power Relay

This Error Applies To

Samsung DW80R706 Series Dishwashers (2019) (2019–present)