Panasonic NN-SU696S Repair Guide
A 1.3 cu ft countertop microwave with genius sensor cooking, sitting just below Panasonic’s inverter models in the range. Larger and better specified than the budget countertop units, but still firmly in replace-rather-than-repair territory for anything electrical.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| No heat | Magnetron or high-voltage component failure | Weigh against a $130–$200 replacement | — | $150–$330 |
| Sparking | Waveguide cover charred | Replace waveguide cover | — | $5–$40 |
| Sensor cooking finishing early | Sensor fouled with cooking residue | Deep-clean the cavity and sensor path | — | $0 |
| Turntable not rotating | Coupler or ring worn, or debris underneath | Clean and replace ring or coupler | — | $0–$40 |
| Door latch broken | Latch hooks worn | Weigh repair against replacement | — | $90–$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 |
|---|---|
| F## codes | Numbered control fault codes shown on the display |
| H## codes | Panasonic self-diagnosis codes; the H9x series relates to the high-voltage or inverter section |
Tech notes
Panasonic’s H-series codes are self-diagnosis results specific to their designs and generally point at the high-voltage section. On a countertop unit, an H-code is usually where the repair conversation ends — worth knowing before paying a diagnostic fee.
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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