Sharp Ovens Error Codes

F0

Sharp built-in oven beeps and displays F0, oven will not start or cancels cooking shortly after starting.

Keypad or touch control panel shorted

F1

Sharp oven displays F1 and may beep continuously; oven may shut off or not respond to inputs.

Control board internal failure

F10

Sharp oven shows F10 and will not start a self-clean or high-temperature cycle.

High temperature self-clean sensor/thermostat fault

F11

Sharp oven displays F11 and may not heat or may shut off when using certain functions.

Relay or triac failure for heating elements

F12

Sharp oven shows F12 and may not respond to touch or rotary controls.

User interface communication or configuration error

F13

Sharp oven displays F13 and may not allow timer or clock functions to operate correctly.

Clock/timer circuit failure

F14

Sharp oven shows F14 and may not start pyrolytic self-clean or high-heat modes.

Pyrolytic self-clean safety circuit fault

F15

Sharp oven displays F15 and may not heat in convection mode.

Convection fan or convection heater fault

F16

Sharp oven shows F16 and may not heat in grill/broil mode.

Grill (broil) element circuit fault

F17

Sharp oven displays F17 and may not heat in lower oven (for double-oven models).

Lower oven heating circuit fault

F18

Sharp oven shows F18 and may not accept temperature settings or may show incorrect temperature.

Temperature calibration or sensor range error

F19

Sharp oven displays F19 and may not start or may shut down when using certain power levels (common on compact or microwave-combination ovens).

Power supply or inverter fault

F2

Sharp oven shows F2 and may shut off during baking; oven overheats or temperature is uncontrollable.

Oven temperature runaway / over-temperature fault

F20

Sharp oven shows F20 and may not start microwave or combination functions (for Sharp microwave-oven combos).

Microwave system fault

F3

Sharp oven displays F3 and will not heat or stops mid-cycle; may occur shortly after starting a bake cycle.

Oven temperature sensor circuit open

F4

Sharp oven shows F4 and will not start or shuts off; may occur intermittently during preheat.

Oven temperature sensor circuit shorted

F5

Sharp oven displays F5 and may not start or may stop during operation.

Relay drive or watchdog failure on control board

F6

Sharp oven shows F6 and may not respond to keypad inputs or may behave erratically.

Communication error between display and power board

F7

Sharp oven displays F7 and may not allow any cooking functions; keypad may seem stuck.

Stuck or shorted keypad key

F8

Sharp oven shows F8 and may not heat or may shut down unexpectedly.

Cooling fan or overheat protection fault

F9

Sharp oven displays F9 and the door may remain locked or will not lock/unlock properly.

Door lock mechanism fault

Symptom

Convection fan does not run in convection mode; food cooks unevenly.

Convection fan motor failure

Symptom

Grill/broil does not work, but bake mode heats normally.

Grill element or grill circuit failure

Symptom

Mechanical knob controls are stiff, hard to turn, or do not click into positions.

Worn or contaminated selector or thermostat knob mechanism

Symptom

Oven buttons or touch controls do not respond or respond intermittently.

Keypad or touch sensor failure

Symptom

Oven cavity enamel is chipped or rusting, exposing metal underneath.

Cavity coating damage

Symptom

Oven clock loses time or resets randomly.

Unstable low-voltage supply or control memory issue

Symptom

Oven display is blank or very dim, but oven may still heat when knobs are turned (on some models).

Display power or backlight failure

Symptom

Oven does not heat at all in any mode (no bake, no grill, no convection) but display and lights work.

Main power or heating circuit failure

Symptom

Oven door will not close fully or appears misaligned, causing heat loss and poor cooking performance.

Door hinge or door alignment failure

Symptom

Oven door will not open after self-clean cycle; door remains locked even when cool.

Door lock mechanism stuck in locked position

Symptom

Oven door will not stay closed; it springs open slightly during operation.

Door latch or hinge spring failure

Symptom

Oven emits a high-pitched squealing or whining noise when the fan runs.

Worn fan motor bearings

Symptom

Oven glass door is fogging up excessively or moisture is trapped between glass panes.

Door glass seal failure or condensation issue

Symptom

Oven heats but does not reach set temperature or takes excessively long to preheat.

Underheating due to weak or partially failed element or sensor misreading

Symptom

Oven interior light and fan stay on even when the door is closed and oven is off.

Door switch or control logic fault

Symptom

Oven light does not work, but oven heats normally.

Oven cavity lamp failure

Symptom

Oven light works and fan runs, but there is no heat in bake mode (grill may still work).

Bake element circuit failure

Symptom

Oven makes loud banging or rattling noises during operation.

Mechanical vibration or loose components

Symptom

Oven overheats, burning food even when set to normal temperatures.

Overheating due to sensor or control failure

Symptom

Oven produces excessive smoke during normal cooking (not self-clean).

Contamination or residue burning

Symptom

Oven trips the circuit breaker or blows a fuse when turned on.

Short circuit in heating or power components

Symptom

Strong burning or electrical smell from the oven during use.

Overheating or electrical insulation failure