Appliance Error Codes by Type & Brand

U4 Daikin · Air Conditioner / Heat Pump The indoor unit has lost its data link with the outdoor unit, so the system can't cool or heat. Moderate E6 Mitsubishi Electric · Air Conditioner / Heat Pump The indoor unit isn't getting valid signals back from the outdoor unit over the S3 wire. Moderate E15 Bosch · Dishwasher Water reached the base pan under the tub and the Bosch leak protection shut the cycle down. Moderate E24 Bosch · Dishwasher Your Bosch couldn't pump the water out in time. Most often a clogged filter or a blocked drain… Low E25 Bosch · Dishwasher Something is jamming the Bosch drain pump, or the pump cover under the filter isn't seated.… Low AE LG · Dishwasher Water collected in the LG base pan and lifted the leak float. Find the leak before restarting. Moderate

LE LG · Dishwasher The main wash motor isn't turning as the control expects. Check wiring and a jammed impeller… Moderate LE LG · Washing Machine LG's Direct Drive motor couldn't turn or overloaded. Heavy loads, the hall sensor or wiring are… Moderate LF Whirlpool · Washing Machine LF on a Whirlpool top-loader: filling took too long. A siphoning drain hose is Whirlpool's… Low NE LG · Dishwasher LG's Vario motor, which sends water to the upper or lower spray arms, isn't reporting its… Low OC Samsung · Dishwasher Water level reads above normal. Suds, a slow drain or an inlet valve that won't close are… Moderate OC Samsung · Washing Machine The washer measured more water than it should hold. First check whether water still flows… Moderate OE LG · Dishwasher Your LG couldn't pump the water out. Clean the multi filter and check the hose and disposal… Low OE LG · Washing Machine LG's drain alarm: the tub didn't empty in the allowed time. Start with the drain pump filter… Moderate P1 MRCOOL · Air Conditioner / Heat Pump The outdoor unit saw supply voltage too high or too low and stopped the compressor to protect… Moderate P1 Mitsubishi Electric · Air Conditioner / Heat Pump P1: the indoor unit's return-air thermistor reads open or shorted, so the unit can't tell room… Low P4 Midea · Air Conditioner / Heat Pump P4 (PC 04 on newer displays): the outdoor board couldn't drive the inverter compressor… High P6 Mitsubishi Electric · Air Conditioner / Heat Pump P6: the indoor coil got too cold in cooling or too hot in heating – almost always an airflow… Low P8 Mitsubishi Electric · Air Conditioner / Heat Pump The indoor coil isn't getting colder (or warmer) than the room after the compressor starts, so… Moderate PE LG · Washing Machine LG's water-level (pressure) sensor sends an unusable signal. Check its tube and plug, then… Low PF Maytag · Dryer PF isn't a fault: the Maytag dryer lost power mid-cycle. Press and hold Start to resume… Minor PF GE Appliances · Microwave PF just means the microwave lost power at some point; press Clear/Off and reset the clock. Minor Sd Maytag · Washing Machine Sd (or 5d) means Maytag detected too much foam and started its own suds-removal routine. Let it… Minor SE Samsung · Microwave The control panel reports a key as pressed all the time, so the microwave refuses to start. Low Sud Samsung · Washing Machine Not a breakdown: the washer found too much foam and is rinsing it away. Use less, HE-marked… Minor SY CE Frigidaire · Refrigerator / Freezer The front control panel and the main board at the back have lost their data link; service… Moderate SY EF Frigidaire · Refrigerator / Freezer The main board switched on the freezer's evaporator fan but saw no sign that it's spinning. Moderate tE LG · Washing Machine LG can't read the water temperature correctly or the water isn't warming. The thermistor… Low tE Samsung · Dryer The Samsung dryer can't trust its temperature reading. Clean the lint screen and vent, then… Moderate tE1 LG · Dryer The LG dryer's thermistor circuit is reading open or out of range, so the control shuts off… Moderate U0 Daikin · Air Conditioner / Heat Pump The outdoor unit has judged the system to be low on refrigerant and stopped the compressor… High U4 Daikin · Air Conditioner / Heat Pump The indoor unit has lost its data link with the outdoor unit, so the system can't cool or heat. Moderate U6 Mitsubishi Electric · Air Conditioner / Heat Pump The outdoor inverter saw too much compressor current and shut down to protect the power module. High UE LG · Washing Machine The washer can’t spread the load evenly for a safe spin. Rearranging or adding laundry usually… Minor UE Samsung · Washing Machine Samsung's out-of-balance alert: the laundry is lumped on one side, so the washer limits… Minor uL Maytag · Washing Machine Maytag's uL: the washer tried to fix a lopsided load on its own, failed, and paused for you… Minor