The appliance could not connect to the router.

Power appliance down by turning off the circuit breaker(s) for one (1) minute.
Power appliance up by turning on the circuit breaker(s).
Monitor the appliance for one (1) minute to ensure the error code does not display again.
Verify appliance operation.
Reset your wireless router.
If yes, disconnect power from router for 2 minutes, then re-connect power to router, then disconnect power to the appliance for 2 minutes, and reconnect.
Move your router to a different location in your home
Contact your Internet Service Provider
High-voltage capacitor discharge tool ($90), magnetron tester ($200), microwave leakage detector ($150). Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Here's what a professional technician does to resolve this issue:
Power appliance down by turning off the circuit breaker(s) for one (1) minute.
This repair requires high-voltage discharge tools, magnetron testers, and microwave leakage detectors. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Microwave capacitors store lethal voltage (4,000V+) even when unplugged. This is the single most dangerous DIY appliance repair. Our techs are licensed and insured — let them handle the risk.
Licensed & Insured · 90-Day Warranty · Same-Day Service
Don't let error code FC E3 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Maytag error code FC E3 indicates: The appliance could not connect to the router.. This is a medium-severity issue affecting your microwave.
Power appliance down by turning off the circuit breaker(s) for one (1) minute. Then, Power appliance up by turning on the circuit breaker(s). Then, Monitor the appliance for one (1) minute to ensure the error code does not display again. There are 5 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
Repair costs for Maytag FC E3 typically range from $100 to $500 depending on the specific cause. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.