Paderno Microwaves Error Codes

E01

Microwave will not start; display works but pressing START does nothing or beeps three times and shows E01.

Door Interlock Safety Circuit Fault

E02

Microwave stops heating shortly after start and displays E02; fan may continue to run briefly.

Magnetron Overheat / Thermal Cutout Trip

E03

Microwave runs but does not heat and shows E03 after a few seconds; turntable and light may still operate.

High Voltage System Failure

E04

Microwave display shows E04 and unit will not start; interior light and clock may still function.

Touch Control Panel / Keypad Failure

E05

Microwave stops mid-cycle and displays E05; may beep repeatedly and require unplugging to clear.

Cavity Overheat / Thermal Sensor Fault

E06

Microwave displays E06 and will not start; sometimes accompanied by a humming noise when attempting to start.

Turntable Motor / Rotation System Error

E07

Microwave shows E07 and beeps; fan may run but cooking does not start.

Inverter Power Module Fault (Inverter Models Only)

E08

Microwave displays E08 and interior light does not come on; unit appears dead except for faint display or none at all.

Low Voltage Power Supply Failure

E09

Microwave shows E09 and the clock resets intermittently; unit may shut off randomly during cooking.

Control Board Power Regulation Error

E10

Microwave displays E10 and sensor cooking functions do not work; unit may default to manual time only.

Humidity / Steam Sensor Failure

E11

Microwave shows E11 when using weight defrost or auto-cook; program cancels immediately.

Weight Sensor / Load Detection Error (for models with built-in scale or load sensor)

E12

Microwave displays E12 and the interior light flickers or does not come on when the door opens.

Door Sensing / Lamp Circuit Error

E13

Microwave shows E13 and fan runs continuously even when not cooking, or fan fails to run during cooking.

Cooling Fan Circuit Error

E14

Microwave displays E14 and the grill or convection function (if equipped) does not heat.

Grill / Convection Heater Circuit Fault

E15

Microwave shows E15 and beeps when starting; may indicate a child lock or safety lock condition that cannot be cleared normally.

Child Lock / Safety Lock Circuit Error

E16

Microwave displays E16 and the display is dim, flickering, or partially blank.

Display / VFD/LED Driver Error

E17

Microwave shows E17 and stops immediately when START is pressed; sometimes accompanied by a relay click.

Relay / Power Switching Error

E18

Microwave displays E18 and emits a continuous or repeated beeping; may indicate internal communication error between boards (for combo models).

Internal Communication Bus Error

E19

Microwave shows E19 and the exhaust/hood fan (over-the-range models) does not operate or is stuck on high.

Exhaust Fan Control Error

E20

Microwave displays E20 and the clock or timer runs erratically fast or slow.

Clock Timing Reference Error

Symptom

Microwave cavity paint is peeling, rust is visible, or there are rust spots on the floor or walls.

Cavity Corrosion / Coating Failure

Symptom

Microwave clock and settings reset to default after every power cycle or brief outage.

Non-Volatile Memory / Backup Power Loss

Symptom

Microwave display is on but very dim or flickers; cooking still works.

Display Backlight / VFD Aging

Symptom

Microwave door glass is cracked or inner glass is loose, but the unit still operates.

Door Glass Damage

Symptom

Microwave door will not open or is very difficult to open; latch feels stuck.

Door Latch Mechanism Jammed

Symptom

Microwave door will not stay closed or pops open during cooking.

Door Latch Misalignment / Weak Spring

Symptom

Microwave emits a burning smell, smoke, or visible sparks inside the cavity during cooking.

Arcing / Cavity Contamination

Symptom

Microwave exhaust fan (over-the-range) does not remove steam or smoke effectively.

Poor Ventilation Performance

Symptom

Microwave fan is very loud or rattles during operation, even when not heating heavily.

Cooling or Exhaust Fan Imbalance

Symptom

Microwave interior accumulates condensation or water droplets on walls and door after cooking.

Excess Condensation / Ventilation Issue

Symptom

Microwave interior light does not work, but the unit heats and otherwise operates normally.

Cavity Lamp Burnout

Symptom

Microwave is completely dead; no display, no light, no response when buttons are pressed.

Total Power Loss

Symptom

Microwave keypad buttons do not respond or respond intermittently; no error code displayed.

Membrane Keypad Failure

Symptom

Microwave leaks water or condensation from the door area or underneath after use.

Door Seal / Condensate Drainage Issue

Symptom

Microwave light, fan, and turntable run when the door is closed without pressing START, or continue running after the timer ends.

Stuck Relay or Door Switch Miswiring

Symptom

Microwave makes a crackling or popping sound when cooking certain foods, even without visible arcing.

Normal Food-Related Noise / Minor Arcing Risk

Symptom

Microwave makes loud buzzing, humming, or grinding noises during operation, louder than normal.

Abnormal Operating Noise

Symptom

Microwave produces a strong chemical or plastic smell during first uses or after high-temperature cooking.

Odor from New Components or Overheated Residue

Symptom

Microwave produces uneven heating; some areas of food are cold while others are very hot.

Uneven Energy Distribution

Symptom

Microwave runs but does not heat; turntable rotates and light is on, but food remains cold with no error code.

No-Heat Condition Without Error

Symptom

Microwave stops mid-cycle and resets or loses time; display may blink or go blank briefly.

Intermittent Power Interruption

Symptom

Microwave trips the household circuit breaker or blows a fuse when starting a cook cycle.

Input Short or Overcurrent on Startup

Symptom

Microwave turntable does not rotate, but heating still occurs.

Turntable Drive Failure