How do I fix error code 4C on a Samsung washers?

1. undefined: 1. Measure the resistance of the water supply valve — should be 0.9 kOhm to 1.1 kOhm between the terminals of the Water Supply Valve 2. undefined: 2. Check if there is foreign material in the water supply valve filter 3. undefined: 3. Check if water supply is blocked due to an alien substance in the valve or if water is being supplied to the machine — take appropriate countermeasure if problem is found 4. undefined: 4. Check if water supply is blocked due to frozen water 5. undefined: 5. If PBA relay malfunctions, replace the PBA

Samsung Washers2017–present

Error Code 4C

Q: What does error code 4C mean on a Samsung washers?

The washer isn't filling with water Foreign material entering the water supply valve; Water supply valve terminal not connected (wire disconnected); Warm water and rinse connectors wrongly connected to each other; PCB terminal from drain hose to detergent drawer not connected; Transparent hose folded or torn; Cold and warm water supply hoses wrongly engaged; Main PBA fault

The washer isn't filling with water

Moderate

Address soon - your appliance may not work properly

Also displayed as: 4C

What This Means

Foreign material entering the water supply valve; Water supply valve terminal not connected (wire disconnected); Warm water and rinse connectors wrongly connected to each other; PCB terminal from drain hose to detergent drawer not connected; Transparent hose folded or torn; Cold and warm water supply hoses wrongly engaged; Main PBA fault

What actually causes this:

The water supply faucets behind the washer are turned off, or the inlet screens are clogged with sediment

First Thing to Check

Make sure both hot and cold water faucets behind the washer are fully open

Parts Involved

Water Supply ValveWater Supply HosesMain PBA

How to Fix

1
1. Measure the resistance of the water supply valve — should be 0.9 kOhm to 1.1 kOhm between the terminals of the Water Supply Valve
2
2. Check if there is foreign material in the water supply valve filter
3
3. Check if water supply is blocked due to an alien substance in the valve or if water is being supplied to the machine — take appropriate countermeasure if problem is found
4
4. Check if water supply is blocked due to frozen water
5
5. If PBA relay malfunctions, replace the PBA