Samsung WA45T3400AW Repair Guide
A budget friendly 4.5 cu ft top loader that sells heavily into rental property and first homes. Simple controls, no smart features, and a straightforward service pattern centered on the pump, the lid lock and the suspension.
Samsung WA45T3400AW is a top load washer, 4.5 cu ft washer sold 2020 to present. Its most common repair is water left standing after the cycle, usually $130 to $270.
- 5 common problems with causes, fixes and costs below.
- 5 error codes decoded.
- A washer like this lasts about 10 to 14 years.
- Check the model and serial tag before you order any part.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Water left standing after the cycle | Drain pump blocked or failed | Clear or replace the drain pump | not listed | $130 to $270 |
| Banging and moving during spin | Suspension rods worn | Replace all four suspension rods | not listed | $140 to $290 |
| Will not start, lid lock flashing | Lid lock assembly failure | Replace lid lock | not listed | $110 to $240 |
| Not filling or filling slowly | Inlet screens scaled or valve failing | Clean screens. Replace inlet valve | not listed | $120 to $260 |
| Cycle stalling partway | Unbalanced load detection, or a motor sensing fault | Redistribute. Diagnose the drive if it repeats | not listed | $0 to $350 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| 5E | Not draining |
| 4C | Water supply fault |
| UB | Unbalanced load |
| dC | Lid open during operation |
| 3C | Motor or hall sensor fault |
Tech notes
In hard water areas the inlet screens on these scale up within a few years and produce a slow fill complaint that reads like a failing valve. Pull and clean the screens before condemning the valve, it is often the entire repair.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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