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Microwave Error Codes
14 error codes across 9 brands
Microwave error codes most often indicate keypad membrane failures (SE, F-3) or internal sensor faults. Due to high-voltage capacitor hazards, internal microwave repairs should be left to professionals.
This page tracks 14 microwave error codes across 9 brands , most commonly involving control panel (6), sensor (5), control (2). About 14 can usually be diagnosed and fixed at home, while 4 signal serious faults that warrant a professional. Typical repair costs range from $0 for simple DIY fixes to $420 for professional component replacement. Pick your brand below for the exact meaning, likely causes, and step-by-step fix for each code.
S
Samsung
4 error codes
SE Touchpad keypad error — button stuck or panel failure
F-3 Touchpad/membrane failure
F-10 Thermistor shorted — over-temperature protection
F-1 Keypad membrane failure — dead or stuck key
L
LG
3 error codes
F-3 Temperature sensor error — over-temperature detected
F-6 Keypad/touchpad failure
F-11 Shorted key on control panel
W
Whirlpool
1 error codes
F7 Inverter / magnetron power fault
G
GE Appliances
4 error codes
F1 Open thermal sensor — cavity temperature not detected
F2 Shorted thermal sensor
F3 Shorted touchpad — keypad fault
F4 Open humidity sensor — sensor cooking disabled
K
KitchenAid
0 error codes
F
Frigidaire
0 error codes
K
Kenmore
0 error codes
M
Miele
0 error codes
A
Amana
2 error codes
F2 Touchpad/membrane shorted
F6 Microwave relay failure detected