Frigidaire Microwave Error Codes

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📋 Error Code Index — Frigidaire Microwave

F1Control Board Failure F10Oven Temperature Runaway F3Temperature Sensor Open F9Door Latch Fault

Control Board Failure

Main control board detected an internal fault.

High Priority

Possible Causes
Control board component failure
Power surge damage
Diagnostic Steps
1Disconnect power 60 seconds and retry
2Inspect board for burn marks
3Replace main control board if fault persists

F10

Oven Temperature Runaway

Oven temperature exceeded maximum limit — sensor or relay fault.

Urgent

Possible Causes
Temperature sensor shorted — providing low reading causing overrun
Control board relay welded closed — heater running uncontrolled
Diagnostic Steps
1Disconnect power immediately
2Test temperature sensor — near 0Ω confirms short
3Replace sensor and verify relay operation before reuse

Temperature Sensor Open

Oven temperature sensor open circuit — no temperature reading.

Medium Priority

Possible Causes
Temperature sensor failed open
Connector to sensor loose or corroded
Diagnostic Steps
1Check sensor connector
2Test sensor resistance — OL confirms open
3Replace temperature sensor if open confirmed

Door Latch Fault

Door latch switch not confirming secured position.

Medium Priority

Possible Causes
Door not fully closed
Latch switch failed internally
Wiring to latch switch open
Diagnostic Steps
1Push door firmly closed
2Test latch switch continuity
3Replace latch switch assembly if failed

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Important Notice: Error code information on this page is based on Frigidaire manufacturer service documentation. Microwave ovens contain a high-voltage capacitor that retains a lethal charge even when unplugged. Internal service should only be performed by a qualified technician. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.