Panasonic NN-SN67KS Repair Guide
A countertop inverter microwave with genius sensor cooking. Inverter technology delivers genuinely continuous reduced power rather than pulsing full power, which defrosts far more evenly.
Panasonic NN-SN67KS is a countertop microwave, inverter, 1.2 cu ft microwave sold 2019 to present. Its most common repair is stops heating entirely, usually $155 to $355.
- 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 |
|---|---|---|---|---|
| Stops heating entirely | Inverter board or magnetron failure | Professional diagnosis, inverter boards are a specific part | not listed | $155 to $355 |
| Sparking in the cavity | Waveguide cover charred | Replace waveguide cover | not listed | $5 to $40 |
| Turntable not rotating | Coupler, ring or trapped debris | Clean. Replace ring or coupler | not listed | $0 to $40 |
| Keypad unresponsive | Touch membrane failure | Usually uneconomic on a countertop unit | not listed | $120 to $300 |
| Door will not latch | Latch hooks worn | Replace latch assembly | not listed | $90 to $220 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| H97 | Inverter circuit fault |
| H98 | Inverter power fault |
| F## codes | Numbered control faults |
| H series | Panasonic inverter self diagnosis codes |
Tech notes
H97 and H98 are inverter faults specific to Panasonic and cannot be fixed with generic microwave parts. On a countertop unit an inverter fault is almost always the end of the appliance.
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 Panasonic NN-SN67KS, 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.