Troubleshooting
Look up error codes by appliance type. Understand what went wrong and how to fix it — or schedule a professional diagnosis.
7 codes documented
The refrigerator detected a power interruption and is displaying PO as an informational alert. Press any button on the control panel to clear the code and resume normal operation. Check the internal temperature — if the outage was extended, food safety may be compromised.
The refrigerator or freezer door has been open for more than 5 minutes. An audible alarm sounds and the display shows the alert. Close all doors firmly. If the alarm persists with doors closed, the door switch or magnetic seal may be faulty and requires inspection.
The compressor is drawing excessive current or has failed to start. The overload protector has tripped to prevent damage. This can result from dirty condenser coils restricting heat dissipation, a failed start relay, or a seized compressor motor. Clean the condenser coils first; if the code persists, a technician must test the compressor and relay.
The freezer or refrigerator compartment temperature has risen above the safe threshold (typically above 15°F for freezer or 45°F for refrigerator). This may follow a power outage, a door left open, or a cooling system failure. Check food safety and verify the condenser fan and evaporator fan are running.
The ice maker has stopped producing ice or is cycling without ejecting cubes. Common causes include a frozen fill tube, a faulty water inlet valve, low water pressure (below 20 psi), or a failed ice maker module. Ensure the water supply line is open and not kinked. On JennAir built-in models, the ice maker module may need replacement.
The water filter status indicator has turned red or is displaying a filter alert. JennAir recommends replacing the internal water filter every 6 months or after 200 gallons. After installing the new filter, press and hold the filter reset button for 3 seconds to clear the indicator.
The automatic defrost system has failed. Ice will accumulate on the evaporator coils, gradually reducing airflow and cooling performance. The defrost heater, defrost thermostat (bi-metal), or the defrost control board timer has failed. Professional service is required to diagnose which component needs replacement.
8 codes documented
The electronic oven control (EOC) board cannot read its EEPROM memory chip. This stores calibration and configuration data. Power cycle the range by disconnecting power for 60 seconds. If F1-E0 returns on restart, the main control board must be replaced.
The oven cavity temperature has exceeded the maximum safe limit (approximately 615°F in bake mode). The control board has shut off power to the heating elements and locked the door as a safety precaution. A stuck relay on the control board or a shorted heating element is the most common cause. Do not use the oven until repaired.
The oven RTD temperature sensor probe is reading open circuit (infinite resistance). The oven will not heat because it cannot regulate temperature. The sensor probe is located at the upper-rear of the oven cavity and connects via a two-pin plug. Sensor replacement is a straightforward repair.
The oven temperature sensor is reading near-zero resistance (short circuit). The control board may interpret this as an extremely cold oven and run the elements continuously, creating an over-temperature hazard. Disconnect power immediately and replace the sensor probe before using the oven.
The self-clean door latch motor is not completing its locking cycle. The latch motor, latch position switch, or mechanical latch assembly has failed. The self-clean cycle will not start without a confirmed door lock. Do not force the latch. A technician should inspect the latch assembly and motor.
The oven door failed to lock or unlock during a self-clean cycle. If the door is stuck in the locked position, disconnect power and allow the oven to cool completely — the latch should release when cool. If the door will not unlock after cooling, the latch motor assembly must be replaced.
A key on the oven control panel is stuck or has an internal short. The oven cannot accept new input commands. Clean the touch panel with a damp cloth — moisture or food residue can cause false key detections. If the code returns after cleaning, the control panel overlay or the EOC board requires replacement.
The communication line between the oven control board and the user interface board is not responding. This can be caused by a loose ribbon cable or a failed UI board. Power cycle the range. If the error persists, inspect the ribbon cable connection between the two boards.
7 codes documented
The wall oven electronic control board cannot read its internal EEPROM memory. Configuration and calibration data are stored on this chip. Disconnect power for 60 seconds and restore. If the code returns, the control board (EOC) requires replacement.
The wall oven temperature exceeded the safe maximum. The control board has de-energized all heating elements and engaged the door lock. A stuck relay on the control board keeping a heating element energized is the primary cause. Professional diagnosis and likely control board replacement is required.
The oven RTD temperature sensor is reading open circuit. The wall oven cannot regulate temperature and will not heat. The sensor plugs into the rear wall of the oven cavity. On double wall ovens (JJW3830LM), identify which cavity is displaying the error — upper and lower ovens have separate sensors.
The motorized door latch cannot complete its travel during the self-clean lock sequence. The latch motor, latch switch, or mechanical assembly has failed. Cancel the self-clean cycle and do not force the door. A technician should inspect the latch mechanism.
The meat probe temperature sensor is reading out of range or has an open circuit. If no meat probe is inserted, check the probe jack for debris or moisture. If a probe is inserted, try a different probe. A faulty probe jack assembly on the oven cavity wall may also cause this code.
The cancel button on the control panel is continuously registering as pressed. This prevents any other commands from being accepted. Clean the control panel surface. If the error remains, the touch panel overlay or the user interface board requires replacement.
The convection fan motor is not running or is running intermittently. True Convection cooking modes will produce uneven results without proper fan circulation. The fan motor or its wiring harness has likely failed. Standard bake modes may still function normally.
7 codes documented
The induction cooktop main control board has detected an internal fault. Power cycle the cooktop at the circuit breaker (off for 60 seconds, then on). If F1 returns, the main electronic control board requires replacement. All cooking zones will be disabled.
The induction power electronics board has overheated. The cooktop will shut down the affected zone or all zones until it cools. Ensure the ventilation fan beneath the cooktop surface is not blocked by pots, pans, or cabinet obstructions. If ventilation is clear and the error recurs, the cooling fan motor or power board may need service.
The induction cooktop cannot detect ferromagnetic cookware on the selected zone. Induction requires flat-bottomed cookware made of magnetic material (cast iron, magnetic stainless steel). Test your cookware with a refrigerator magnet — if the magnet sticks firmly to the bottom, it is compatible. This is a user notification, not a hardware fault.
The capacitive touch control panel is not responding correctly. Moisture, spilled liquids, or food residue on the glass surface can interfere with touch detection. Clean the cooktop surface thoroughly and ensure it is dry. If the error persists, the touch sensor module beneath the glass requires replacement.
The temperature sensor on one of the induction coil assemblies is reading out of range. The affected zone will be disabled while other zones may continue operating. The coil sensor or the coil assembly board for that zone requires replacement by a qualified technician.
The cooktop control lock feature is engaged. All touch controls are disabled as a safety measure to prevent accidental activation. To unlock, press and hold the lock button (or the designated key combination) for 3 seconds until the LOC indicator clears. This is not an error — it is a user-activated safety feature.
On JennAir gas cooktops, the igniter is continuously sparking or failing to ignite the burner. Food debris, moisture, or grease in the igniter electrode area is the most common cause. Clean and dry the igniter and burner cap assembly. If clicking continues without gas ignition, the igniter switch or spark module may need replacement.
8 codes documented
The main electronic control board has detected an internal processing fault. Power cycle the dishwasher at the circuit breaker (off for 5 minutes, then on). If the code returns, the main control board requires replacement. All wash cycles will be disabled until resolved.
The user interface (UI) board at the top of the door is not communicating with the main control board. The display may be blank or unresponsive. Check the ribbon cable connection between the UI board and the main board. If connections are secure, the UI board likely requires replacement.
The NTC water temperature thermistor is reading out of range. The dishwasher cannot verify that water is reaching the correct temperature for sanitize and heavy-duty cycles. The thermistor is located near the sump assembly. Replacement restores all temperature-dependent wash features.
The dishwasher did not fill to the required water level within the allotted time. Verify the water supply shut-off valve under the sink is fully open, check the inlet hose for kinks, and inspect the inlet screen filter for mineral deposits. If all supply-side checks pass, the water inlet valve solenoid has failed.
The dishwasher is not draining within the expected time. Clean the triple filter assembly at the bottom of the tub, check the drain hose connection at the garbage disposal or air gap, and inspect the hose for kinks or clogs. If the disposal was recently installed, ensure the knockout plug was removed from the disposal inlet.
The door latch switch is not confirming the door is securely closed. The dishwasher will not start a cycle without a confirmed latch signal. Ensure no dish racks are obstructing the door from fully closing. If the door closes firmly but the error persists, the door latch assembly or door switch requires replacement.
The wash pump motor has stalled or is drawing excessive current. A foreign object (glass fragment, broken utensil piece, or food debris) may be lodged in the pump impeller. Remove the bottom dish rack and spray arm, then check the sump area for obstructions. If clear, the wash motor assembly requires replacement.
The diverter disc motor (which routes water pressure between the upper and lower spray arms) is not reaching its expected position. Wash performance will be degraded as water pressure cannot be properly directed. The diverter motor or its position sensor requires replacement.
6 codes documented
The main control board in the microwave has detected an internal fault. Disconnect power at the circuit breaker for 60 seconds and restore. If F1-E1 returns, the control board requires replacement. Do not attempt to service a microwave yourself — high-voltage capacitors retain a lethal charge even when unplugged.
The humidity sensor (used for sensor cooking and sensor reheat modes) is not responding or is reading out of range. Automatic cooking programs that rely on steam detection will be unavailable. Manual time/power cooking still works normally. Sensor replacement is required to restore auto-cook features.
One or more of the door safety interlock switches has failed. The microwave will not operate because it cannot confirm the door is securely closed. This is a safety-critical system — the primary, secondary, and monitor switches must all function correctly. Never bypass door switches. Professional repair is required.
A key or touch area on the microwave control panel is registering as continuously pressed. Clean the control panel surface with a soft damp cloth. Moisture or grease buildup can cause false touch detections on capacitive panels. If the error persists after cleaning, the touch panel or control board assembly requires replacement.
The relay controlling the magnetron high-voltage circuit has failed or is not switching properly. The microwave may run (light, turntable, fan) but produce no heat. This requires professional repair — microwave high-voltage capacitors store a lethal charge even when the unit is unplugged.
The turntable motor is not turning or is not receiving a drive signal. The glass tray will not rotate, causing uneven heating. Verify the turntable ring and glass tray are seated correctly and can rotate freely. If the motor has failed, it is a relatively low-cost part but should be installed by a technician.
5 codes documented
The ventilation hood electronic control has detected an internal fault. Power cycle the unit at the circuit breaker. If F1 returns, the electronic control board needs replacement. The blower motor will not respond to speed commands until the control is restored.
The blower motor is not running or is not reaching the expected RPM for the selected speed setting. Check for grease accumulation on the blower wheel that may be causing drag. If the blower wheel spins freely by hand, the motor or its capacitor has likely failed.
The filter indicator light is illuminated, signaling that the grease filters are due for cleaning. JennAir recommends cleaning baffle or mesh grease filters every 30 hours of use. Remove the filters and wash them in hot soapy water or run through a dishwasher cycle. After reinstalling, press and hold the filter reset button for 3 seconds.
One or more LED light modules in the ventilation hood are not functioning. On JennAir hoods with integrated LED lighting, the LED modules are not standard bulbs — they are solid-state components wired to a driver board. If replacing the LED module does not resolve the issue, the LED driver board may need replacement.
The heat sensor that enables the automatic ventilation feature (auto-on when cooking is detected) is not responding. The hood will still operate manually at all speed settings. The thermostat sensor on the underside of the hood requires replacement to restore the auto-on feature.
6 codes documented
The internal temperature of the wine or beverage zone has exceeded the set threshold. This may follow a door left open, a heavy load of warm bottles, or a cooling system issue. Check that the door is sealed, the condenser coils are clean, and the unit is not in direct sunlight or near a heat source.
The internal temperature has dropped below the set range, which could damage wine by causing partial freezing. This usually occurs when the ambient temperature is very cold (e.g., an unheated garage) and the unit lacks a heating element. Relocate the unit to a climate-controlled area or adjust the set temperature.
The door has been open for more than 5 minutes and an audible alarm is sounding. Close the door firmly. Temperature-sensitive wine storage requires a consistent seal. If the alarm persists with the door closed, inspect the door gasket for gaps, warping, or debris, and check the door hinge alignment.
The temperature sensor (NTC thermistor) in one of the storage zones is reading out of range. The compressor may run continuously or not at all, depending on the reading. The thermistor for the affected zone requires replacement. On dual-zone units, identify which zone displays the error.
The evaporator fan is not circulating air within the cabinet. Without air circulation, cooling is uneven and the compressor cannot maintain the set temperature across all shelves. The fan motor or its wiring has failed. This repair requires accessing the rear panel of the unit.
The defrost cycle has not completed successfully, leading to frost buildup on the evaporator coils. Cooling performance will gradually degrade as ice restricts airflow. The defrost heater or defrost thermostat requires diagnosis and replacement.
6 codes documented
The ice maker is not producing ice. Verify the water supply line shut-off valve is fully open, the water line is not kinked or frozen, and household water pressure is at least 20 psi. On JennAir undercounter ice makers, also check that the bin sensor arm is in the down position and the bin is properly seated.
The ice maker is not receiving sufficient water to complete a freeze cycle. The water inlet valve may be clogged with mineral deposits, the supply line may be partially frozen, or household water pressure is too low. Flush the water line and inspect the inlet valve screen. If the valve fails to open electrically, it requires replacement.
The ice maker cannot complete the harvest cycle — ice cubes are not releasing from the evaporator plate or mold. This is often caused by insufficient water flow producing thin ice that breaks during harvest, or a failing harvest motor. The harvest motor and water system should be inspected by a technician.
The thermistor monitoring the evaporator plate temperature is reading out of range. The ice maker uses this sensor to determine when ice is fully frozen and ready for harvest. An inaccurate reading can result in incomplete freezing or continuous cycling. The thermistor requires replacement.
The condenser fan motor is not running. Without the condenser fan, the compressor will overheat and the unit cannot maintain proper refrigerant pressures. Ice production will stop and the compressor overload protector may trip. Check for debris around the fan and ensure the fan blade spins freely. If the motor has failed, professional replacement is required.
The ice storage bin is full and the ice maker has paused production. This is normal operation — the infrared or mechanical bin sensor has detected the ice level has reached capacity. Remove ice from the bin to resume production. If the indicator shows full when the bin is not full, the bin sensor may need cleaning or replacement.
6 codes documented
The freezer column detected a power interruption. Press any button to clear the alert. Check the internal temperature — if the freezer was without power for an extended period, food safety may be compromised. Items above 0°F should be evaluated for refreezing safety.
The freezer column internal temperature has risen above the safe threshold (typically above 15°F). This can follow a power outage, a door left open, or a cooling system failure. Verify the evaporator fan is running, the condenser coils are clean, and the door seal is intact.
The automatic defrost system has failed. Ice will accumulate on the evaporator coils and gradually block airflow, causing temperatures to rise. The defrost heater, bi-metal thermostat, or defrost control timer has failed. Professional diagnosis is required to identify the faulty component.
The evaporator fan motor is not running. Cold air cannot circulate within the column and temperatures will rise even though the compressor is running. Check for ice buildup around the fan blade (related to a defrost failure). If the fan area is clear of ice, the fan motor has failed and requires replacement.
The freezer column door has been open for more than 5 minutes. An audible alarm sounds to prevent temperature rise and frost accumulation. Close the door firmly. If the alarm persists with the door closed, the door switch or the magnetic door seal may need service.
The condenser coils require cleaning. Dust and debris on the condenser coils reduce cooling efficiency and force the compressor to run longer. JennAir column units have a condenser access panel at the bottom or rear. Use a condenser coil brush and vacuum to clean the coils. This maintenance should be performed every 6-12 months.
The condenser coils require cleaning. Dust and debris on the condenser coils reduce cooling efficiency…
The freezer column door has been open for more than 5 minutes. An audible alarm…
The evaporator fan motor is not running. Cold air cannot circulate within the column and…
The automatic defrost system has failed. Ice will accumulate on the evaporator coils and gradually…
The freezer column internal temperature has risen above the safe threshold (typically above 15°F). This…
The freezer column detected a power interruption. Press any button to clear the alert. Check…
The ice storage bin is full and the ice maker has paused production. This is…
The condenser fan motor is not running. Without the condenser fan, the compressor will overheat…
The thermistor monitoring the evaporator plate temperature is reading out of range. The ice maker…
The ice maker cannot complete the harvest cycle — ice cubes are not releasing from…
The ice maker is not receiving sufficient water to complete a freeze cycle. The water…
The ice maker is not producing ice. Verify the water supply line shut-off valve is…
The defrost cycle has not completed successfully, leading to frost buildup on the evaporator coils.…
The evaporator fan is not circulating air within the cabinet. Without air circulation, cooling is…
The temperature sensor (NTC thermistor) in one of the storage zones is reading out of…
The door has been open for more than 5 minutes and an audible alarm is…
The internal temperature has dropped below the set range, which could damage wine by causing…
The internal temperature of the wine or beverage zone has exceeded the set threshold. This…
The heat sensor that enables the automatic ventilation feature (auto-on when cooking is detected) is…
One or more LED light modules in the ventilation hood are not functioning. On JennAir…
The filter indicator light is illuminated, signaling that the grease filters are due for cleaning.…
The blower motor is not running or is not reaching the expected RPM for the…
The ventilation hood electronic control has detected an internal fault. Power cycle the unit at…
The turntable motor is not turning or is not receiving a drive signal. The glass…
The relay controlling the magnetron high-voltage circuit has failed or is not switching properly. The…
A key or touch area on the microwave control panel is registering as continuously pressed.…
One or more of the door safety interlock switches has failed. The microwave will not…
The humidity sensor (used for sensor cooking and sensor reheat modes) is not responding or…
The main control board in the microwave has detected an internal fault. Disconnect power at…
The diverter disc motor (which routes water pressure between the upper and lower spray arms)…
The wash pump motor has stalled or is drawing excessive current. A foreign object (glass…
The door latch switch is not confirming the door is securely closed. The dishwasher will…
The dishwasher is not draining within the expected time. Clean the triple filter assembly at…
The dishwasher did not fill to the required water level within the allotted time. Verify…
The NTC water temperature thermistor is reading out of range. The dishwasher cannot verify that…
The user interface (UI) board at the top of the door is not communicating with…
The main electronic control board has detected an internal processing fault. Power cycle the dishwasher…
On JennAir gas cooktops, the igniter is continuously sparking or failing to ignite the burner.…
The cooktop control lock feature is engaged. All touch controls are disabled as a safety…
The temperature sensor on one of the induction coil assemblies is reading out of range.…
The capacitive touch control panel is not responding correctly. Moisture, spilled liquids, or food residue…
The induction cooktop cannot detect ferromagnetic cookware on the selected zone. Induction requires flat-bottomed cookware…
The induction power electronics board has overheated. The cooktop will shut down the affected zone…
The induction cooktop main control board has detected an internal fault. Power cycle the cooktop…
The convection fan motor is not running or is running intermittently. True Convection cooking modes…
The cancel button on the control panel is continuously registering as pressed. This prevents any…
The meat probe temperature sensor is reading out of range or has an open circuit.…
The motorized door latch cannot complete its travel during the self-clean lock sequence. The latch…
The oven RTD temperature sensor is reading open circuit. The wall oven cannot regulate temperature…
The wall oven temperature exceeded the safe maximum. The control board has de-energized all heating…
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