Samsung DW80R9950US Repair Guide
A premium Samsung built in with Linear Wash, where the spray bar travels the length of the tub rather than rotating. Extremely quiet at 39 dB, with a moving assembly no conventional dishwasher has.
Samsung DW80R9950US is a built in dishwasher, linear wash, 39 db dishwasher sold 2019 to present. Its most common repair is poor cleaning in one part of the tub, usually $220 to $500.
- 5 common problems with causes, fixes and costs below.
- 5 error codes decoded.
- A dishwasher like this lasts about 9 to 12 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 |
|---|---|---|---|---|
| Poor cleaning in one part of the tub | Linear Wash bar not traveling its full stroke | Service or replace the linear drive assembly | not listed | $220 to $500 |
| Not draining | Drain pump or filter blocked | Clear filter and drain path. Replace pump | not listed | $150 to $320 |
| Leak error and constant pumping | Leak sensor tripped by water in the base | Locate and reseal the leak | not listed | $200 to $460 |
| Not filling | Inlet valve or supply restriction | Check supply. Replace valve | not listed | $140 to $300 |
| Door not auto opening for drying | Door release mechanism fault | Service the auto open assembly | not listed | $180 to $410 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| 4C / 4E | Water supply fault |
| 5C / 5E | Drain fault |
| LC / LE | Leak detected |
| 3C | Wash motor fault |
| OC / oE | Overfill |
Tech notes
Linear Wash adds a traveling spray bar on rails, and debris in the track produces uneven cleaning that mimics a pump fault. Inspect the track before condemning the circulation pump.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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