Frigidaire FFMV1846VS Repair Guide
A 1.8 cu ft over the range microwave with a 300 CFM vent, sold heavily into apartment refits and mid range kitchens. Straightforward to service, with the usual over the range weak points around the door, the vent and the control panel.
Frigidaire FFMV1846VS is an over the range microwave, 1.8 cu ft microwave sold 2018 to present. Its most common repair is runs but does not heat, usually $160 to $400.
- 5 common problems with causes, fixes and costs below.
- 3 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 |
|---|---|---|---|---|
| Runs but does not heat | Magnetron or high voltage diode failure | Professional high voltage repair | not listed | $160 to $400 |
| No power, blown fuse | Door interlock switch failure | Replace interlock set and fuse together | not listed | $110 to $260 |
| Door hard to close or will not latch | Latch hooks worn or door spring failed | Replace latch assembly | not listed | $100 to $250 |
| Fan weak, kitchen smoky when cooking | Grease filters loaded, or recirculating install with a saturated charcoal filter | Wash grease filters. Replace charcoal filter | not listed | $0 to $50 |
| Light out over the cooktop | Bulb failed or socket corroded | Replace bulb. Socket replacement needs cabinet access | not listed | $5 to $180 |
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 | Touch panel or control fault |
| F3 | Shorted key on the keypad |
| door | Door sensing fault, interlocks or latch |
Tech notes
Apartment installations of this model are very often set up to recirculate rather than vent outside, which means a charcoal filter that nobody has ever changed. Check for one behind the top grille before diagnosing a weak venting complaint as a blower fault.
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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