Whirlpool WMMF5930PZ Repair Guide
Whirlpool’s microwave drawer, installed below the counter and opening like a drawer rather than a door. At well over a thousand dollars and built into cabinetry, this is firmly repair not replace territory.
Whirlpool WMMF5930PZ is a microwave drawer, built in, 1.2 cu ft microwave sold 2021 to present. Its most common repair is drawer will not open or close correctly, usually $260 to $620.
- 5 common problems with causes, fixes and costs below.
- 4 error codes decoded.
- A microwave like this lasts about 7 to 10 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 |
|---|---|---|---|---|
| Drawer will not open or close correctly | Drawer motor, belt or rail wear | Professional drawer mechanism service | not listed | $260 to $620 |
| Runs but does not heat | Magnetron or high voltage component failure | Professional repair, worth doing on this unit | not listed | $260 to $570 |
| Touch controls unresponsive | Control panel or board failure | Replace panel or board | not listed | $260 to $570 |
| Drawer sensing fault, will not start | Position switches out of adjustment | Adjust or replace position switches | not listed | $210 to $470 |
| Noisy operation | Cooling fan or drawer mechanism wear | Replace fan or service the mechanism | not listed | $230 to $510 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| F1 | Drawer position fault |
| F2 | Touch panel fault |
| F3 | Thermal sensor fault |
| F7 | Control communication fault |
Tech notes
Microwave drawers invert the economics of the category. Replacement means cabinetry work as well as an appliance, so repairs that would be uneconomic on a countertop unit are clearly correct here.
Sources
Where the safety, regulatory and warranty claims on this page come from. Repair costs are our own figures based on Arizona market rates and OEM parts pricing.
- Microwave Ovens, Radiation Emitting Products U.S. Food & Drug Administration The federal requirement for two independent door interlocks plus a monitoring system, and the 21 CFR 1030.10 leakage limit, why an interlock must never be bypassed.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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We'll buy your Whirlpool WMMF5930PZ, or haul it away.
If the repair costs more than this machine is worth to you, we'll quote you on taking it. Cash offer if it still has value, free or paid scrap pickup if it doesn't. We'll tell you honestly which it is.