Step-by-Step DIY Fix Guide
- SAFETY: Turn off both water supply valves behind the washer, then unplug the washer.
- Allow the hoses to cool if they have been running — the hot hose may be very warm.
- Place a towel on the floor and disconnect both inlet hoses from the back of the washer.
- Reconnect them correctly: the hose from the COLD supply (blue label/valve) connects to the COLD inlet port on the washer (marked blue or C), and the HOT supply (red) connects to the HOT inlet (marked red or H).
- Tighten both connections firmly by hand, then a quarter-turn with pliers — do not overtighten.
- Turn the supply valves back on and check for drips.
- Plug in the washer and run a test cycle — 4C2 should be gone.
If it's still not filling correctly
- If normal household water flow looks good but the code returns, the inlet-valve or fill-sensing path becomes more likely.
- 4C2 persists after correctly reconnecting hoses and confirming cold water is flowing to the cold inlet
What This Error Means
Error 4C2 on your Samsung washing machine means: The washer has detected that the cold water inlet is receiving extremely hot water — the hot and cold supply hoses have been swapped at installation. Also displayed as 4E2, 14C2, nF1 on some Samsung models. The washer's self-diagnostic system has detected this condition and paused the current cycle.
The most frequent cause is hot and cold inlet hoses connected to the wrong ports at installation — the most common cause after a new installation or hose replacement. Work through the causes and fix steps below in order — most Samsung washer errors are resolved without a service call.
Error 4C2 is DIY-safe. No tools are required and the fix typically takes under 15 minutes. Follow all steps in sequence.
The washer will not proceed until the condition is resolved. Work through all steps before contacting Samsung Support.
Most Likely Cause by Symptom
The Samsung washing machine may stop, pause, or refuse to complete the cycle normally.
Likely cause: Hot and cold inlet hoses connected to the wrong ports at installation — the most common cause after a new installation or hose replacement
Check first: SAFETY: Turn off both water supply valves behind the washer, then unplug the washer.
Common Causes
- Hot and cold inlet hoses connected to the wrong ports at installation — the most common cause after a new installation or hose replacement
- Plumber or installer reversed hot and cold connections at the supply valves
What Not to Do
- Do not continue running the washer with reversed hoses — hot water in the cold inlet can damage rubber seals, detergent dispensers, and certain fabric care cycles
Model and Display Variation Notes
Model-family notes
- Samsung washing machine display wording and code formats can vary by series.
- If your model behaves differently, check the owner manual before trying any deeper maintenance step.
- Some models may display the same fault as 4C2, 4E2, 14C2, nF1.
Display and panel differences
- Some control panels show this issue as 4C2, 4E2, 14C2, nF1 instead of only 4C2.
- Panel wording and whether the code appears with letters, numbers, or a longer variant can differ by model family.
Parts, Tools and Service Options
Manual and model check
Check your exact model and manual before ordering any Samsung washing machine parts.
This section stays model-first because exact manual and parts matching matters more than a generic replacement suggestion here.
When Not to Keep Troubleshooting
4C2 persists after correctly reconnecting hoses and confirming cold water is flowing to the cold inlet
How to Prevent It Recurring
- Label your hot and cold supply valves clearly at installation — a simple piece of tape prevents this mistake when hoses are replaced
Related Error Codes
4C
Samsung 4C usually means the washer is not getting enough incoming water to finish the fill on time.
tE
The washer has detected a fault in the water temperature sensor (NTC thermistor). The machine cannot accurately measure water temperature and has stopped to prevent overheating or incorrect cycle temperatures.
Extra notes
- This page is based on Samsung support material and stays conservative where model-specific guidance may vary.
- The goal is to help you identify safe first checks before you move into parts, service, or model-specific manual lookup.
Source and model notes
Last reviewed: 2026-04-08
Based on: Based on Samsung support material and edited into consumer-safe guidance for the exact code family on this page.
View Samsung US Official Support
Model coverage note: Samsung washing machine code meanings can vary by series, control panel, and model family, so use this page as a safe starting point rather than a replacement for the model-specific manual.
Important: FixThisError is an independent guide, not the manufacturer. Use your model-specific manual when the panel wording or behavior differs.
Always disconnect power before inspecting appliances. If unsure, contact a licensed appliance technician.