Maytag MDB7959SKZ Repair Guide
A Whirlpool built Maytag dishwasher with a stainless tub and a dual power filtration system that combines a filter with a food chopper. The chopper means less filter cleaning, which suits households that do not rinse before loading.
Maytag MDB7959SKZ is a built in dishwasher, stainless tub, 47 db dishwasher sold 2019 to present. Its most common repair is standing water at the end of the cycle, usually $150 to $310.
- 5 common problems with causes, fixes and costs below.
- 4 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 |
|---|---|---|---|---|
| Standing water at the end of the cycle | Drain path or pump blocked | Clear the path. Replace pump if failed | not listed | $150 to $310 |
| Loud grinding during the wash | Foreign object in the chopper or sump | Remove the object. Inspect the chopper blade | not listed | $0 to $250 |
| Dishes not clean | Spray arms blocked or wash pump weak | Clean arms. Assess pump pressure | not listed | $0 to $350 |
| Will not start | Door latch switch fault | Replace latch assembly | not listed | $140 to $320 |
| Not heating the water | Heating element open | Replace the heating element | not listed | $160 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 |
|---|---|
| F8 E4 | Overfill or flood |
| F9 E1 | Drain fault |
| F7 E1 | Heating fault |
| Clean light flashing | Stored fault, run diagnostics to read |
Tech notes
Glass shards and fruit stickers are the two things that most often jam a food chopper, and both produce a grinding noise that sounds far more expensive than it is. Always inspect the sump before quoting a pump on a noisy dishwasher.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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