Samsung WF45N5300AV Common Problems & How to Diagnose and Fix Them
Need the replacement part? Search your model number at for guaranteed fit and fast free shipping.
Understanding the Problem
The Samsung WF45N5300AV is a front-load washer that commonly experiences a handful of repeatable problems: not draining (4C/5C errors), not spinning or excessive vibration, door lock errors, and water fill or no-power issues. Below are logical diagnostic steps and practical 'how to fix' actions for each major symptom. Follow the numbered steps for diagnosis first; perform repairs only when you confirm the failed component. Safety note: always unplug the washer and turn off the water supply before opening panels or replacing parts. 1) Washer won't drain / shows 5C or 4C drain error - Diagnostic steps: 1. Run a drain-only cycle or a quick spin/drain to reproduce the issue. 2. Check the drain hose for kinks, clogs, or a high loop. Remove hose from standpipe and run water through it to confirm it's clear. 3. Inspect the washer drain pump: listen for humming during drain. If you hear a hum but no pumping, pump may be jammed or failed. 4. Check the pump filter (if accessible) or remove the lower access panel and inspect impeller for foreign objects (coins, small clothing items). 5. Verify the drain pump has 120V (or appropriate voltage in your region) to the pump during drain cycle using a multimeter. - How to fix: - Remove obstruction from pump impeller or drain hose. Clean the pump filter and the drain hose thoroughly. - If pump does not run electrically (no voltage to pump when it should) inspect the control board and wiring harness. If pump receives voltage but doesn’t run, replace the drain pump assembly. - Reinstall panels, run a test drain, and confirm normal operation. 2) Washer won't spin or leaves clothes very wet / UE/unbalanced code - Diagnostic steps: 1. Confirm load is balanced and not overloaded. Remove some items and try a spin-only cycle. 2. Listen for motor noise during spin. If motor hums but drum doesn't spin, inspect belt (if applicable) or direct-drive motor coupling depending on model design. 3. Run a diagnostics cycle (see manual) to check error codes for motor, tachometer, or suspension faults. 4. Inspect shock absorbers/suspension and tub bearings for wear or damage if excessive vibration occurs. - How to fix: - Re-balance the load or reduce size and rerun spin. Replace worn shock absorbers or suspension rods if tub bounces excessively. - If motor or motor control is faulty (no run, burned smell, error codes), replace the motor or motor control board assembly. If belt-driven, replace a broken belt. 3) Door won't lock / shows dL or DC error - Diagnostic steps: 1. When cycle starts, listen for the door lock engaging. If no click, the door latch/lock assembly may be bad. 2. Inspect the door strike for damage and the lock electrical connector for corrosion or loose pins. 3. Measure continuity across the door lock/door switch; it should change state when the door is closed. - How to fix: - Replace the door lock/strike assembly if it fails continuity tests or the latch is physically broken. - Check and reseat harness connectors between the lock and control board. 4) Washer not filling with water / pressure errors or long fill - Diagnostic steps: 1. Confirm hot/cold faucets are fully open and water supply hoses are not kinked. 2. Remove hoses and check inlet screens for debris. Clean screens if clogged. 3. If inlet valves hum or don't open, check for voltage at the inlet valve solenoids during a fill command. - How to fix: - Clean or replace inlet screens and hoses. Replace the water inlet valve assembly if solenoids do not energize or valves do not open when energized. 5) Washer display shows random error codes or no power - Diagnostic steps: 1. Note the exact error code. Many codes (4C/5C, dE, UE, LC, HE) point to specific systems; look up code in the owner manual or online service manual for the model. 2. Power-cycle the washer (unplug 1 minute) to clear transient errors and rerun a cycle. 3. Inspect main control board for burn marks, bulging capacitors, or loose connectors if errors persist. - How to fix: - Replace the failed sensor, harness, or main control board depending on the specific code and failed component diagnosis. General practical repair steps (common to most jobs): - Unplug the washer and turn off water supply before any disassembly. - Remove lower front access panel to get to drain pump, hoses, and wiring harnesses. - Use a multimeter to check continuity and voltage when necessary. - Replace one part at a time and re-test to confirm the problem is solved. Safety note: disconnect power and water, wear gloves and eye protection, and if you are not comfortable working with electrical components or heavy panels, hire a qualified appliance technician.
Common Symptoms
Won't drain (4C/5C), won't spin or leaves clothes wet, door lock/dL errors, long/no water fill, random error codes or no power.
Common Causes
- Clogged drain hose or pump impeller (foreign objects)
- Failed drain pump or inlet valve solenoid
- Faulty door lock assembly or control board
- Worn suspension/shock absorbers or motor failure
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at ProsourceParts.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
To confirm a bad drain pump: run a drain cycle and listen—if you hear humming with no water movement, remove the lower access panel, disconnect the pump and try powering the pump directly (or check for 120V at the pump) — if it still won't run, replace the drain pump.
Frequently Asked Questions
Can I replace the drain pump or door lock myself on a WF45N5300AV?
Yes — both are user-replaceable with basic tools. Unplug the washer, turn off water, remove the lower access panel (for pump) or the front/top (for door lock as required), disconnect connectors and hoses, swap the part, and reassemble. Take photos of wire connections before unplugging. If you’re unsure about voltage tests or handling the control board, call a pro.
How do I read and clear error codes on my Samsung washer?
Note the exact code shown on the display and consult the owner manual or Samsung error-code list for that model. Many transient errors clear after a power cycle — unplug the washer for 60 seconds and plug it back in. Persistent codes require targeted diagnosis (e.g., 5C/4C = drain issues, dE = door error). If the code returns, follow the diagnostic steps above to test the relevant component.
Related How-To Videos
Real DIY Repair Stories
Be the first to share your repair story!
Share Your Repair Story
Your experience helps other homeowners fix their appliances. Tell us how it went!
Can't Fix It Yourself? Find a Local Technician
It's perfectly okay to call a professional. Some repairs require specialized tools, deep teardowns, or dealing with complex systems that are better left to the pros.
Find the Right Part for Your Appliance
Don't guess — search your exact appliance model number at ProsourceParts.com to find the correct OEM compatible replacement part. They offer fast free shipping, guaranteed fit, and thousands of parts in stock.
Your Free Parts Videos
Whether your dishwasher won't drain, your dryer stopped heating, or your fridge isn't cold, we've created simple repair guides for the most common appliance problems homeowners face. Each guide explains what's going wrong, the most likely causes, and which replacement parts fix the issue. When you're ready to order, we link directly to ProsourceParts.com where you can search by model number and get the right part shipped fast.