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Won't start a program: Codes, Causes & Fixes

When an appliance won't start a program, the cause is often simple: the door isn't fully latched, child lock or delay start is active, the water supply is off, or the outlet or breaker has no power. Check those, then unplug the appliance for a few minutes to reset the electronics. If a door lock or door switch code appears, or the display stays dark, the latch, switch or control board may need attention.

55Codes
2.6Average severity
4%High or critical
42%DIY-friendly
Severity distributionSeverity distribution

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All codes (55)

126 Trane · Air Conditioner / Heat Pump 126 on a Trane ComfortLink II thermostat: it lost its data link to the furnace, air handler… Moderate 1C Samsung · Washing Machine The control gets no believable signal from the water-level sensor – usually its air hose, plug… Low 1dL Goodman · Air Conditioner / Heat Pump IdL (often read as 1dL) is not a fault: the furnace is powered and waiting for a call from… Minor 3C Samsung · Washing Machine The control commanded the motor but didn't see the drum turn as expected: overload, jam, wiring… Moderate A1 Daikin · Air Conditioner / Heat Pump The indoor unit's circuit board couldn't load or apply its settings, so the head refuses to run. Moderate AE LG · Dishwasher Water collected in the LG base pan and lifted the leak float. Find the leak before restarting. Moderate C-d0 Samsung · Microwave The control saw one button pressed continuously for more than about 10 seconds and locked… Minor C-F2 Samsung · Oven / Range The touch control and the main board stopped talking to each other; a long power reset often… Low CH10 LG · Air Conditioner / Heat Pump CH10: the indoor unit's fan motor isn't turning or isn't reporting its speed, so the unit shuts… Moderate dC Samsung · Washing Machine The washer tried to lock the door or lid and couldn't confirm it – often clothing or residue… Low dE LG · Washing Machine The LG door or lid switch doesn't report closed and locked. Check the latch hook first, then… Low dF Samsung · Dryer The Samsung dryer isn't getting a valid signal from its door switch, so it won't start or stops… Low DL Speed Queen · Washing Machine Speed Queen front-load Er dL: the door lock reported unlocked mid-cycle. Check the latch, lock… Moderate E01 Bosch · Dishwasher The main control found a fault in the circuit that powers the heat pump. Start with a breaker… Moderate E011 Bosch · Oven / Range The oven control thinks a key or touch field is being pressed continuously and blocks operation. Low E1 Goodman · Air Conditioner / Heat Pump E1: the low-stage pressure switch reads closed before the inducer starts, so the furnace won't… Moderate E15 Bosch · Dishwasher Water reached the base pan under the tub and the Bosch leak protection shut the cycle down. Moderate E17 Bosch · Washing Machine The washer couldn't fill to level in time – usually a closed valve, a kinked hose or a clogged… Low E201 Samsung · Air Conditioner / Heat Pump E201: after power-up the outdoor unit couldn't find and register its indoor unit(s), so it… Moderate E23 Bosch · Washing Machine Water reached the washer's base pan and the leak protection shut off the supply. Find the leak… High E27 Bosch · Dishwasher The Bosch measured too little voltage from the house circuit and stopped. Usually wiring… Low E63 Bosch · Dryer Bosch US lists E63 as a heating element failure. Check power and airflow, then have the heater… Moderate E90 Bosch · Dryer Bosch lists E90 as an electronic fault that only an authorized technician can clear. Check… Moderate Er CO Speed Queen · Dryer The Speed Queen dryer's display control lost contact with the board that drives the motor… Moderate Er CO Speed Queen · Washing Machine Speed Queen washer Er CO: the front control and the drive or output board stopped exchanging… Moderate F01 Whirlpool · Dryer Whirlpool's main dryer control failed its self-check. Reset the breaker; if F01 returns… Moderate F10 Miele · Washing Machine The Miele didn't take in enough water in time. Check the faucet, the inlet screens and the hose… Low F11 Frigidaire · Oven / Range The range's control reads a key as held down for too long and responds with F11 and nonstop… Moderate F1E0 Whirlpool · Oven / Range The oven's main electronic control failed its own self-check, so the range stops running… Moderate F1E4 Whirlpool · Microwave The microwave's control tried to run a function and failed – a control board, power relay… Moderate

Symptoms