What does that error code mean?
Plain-English explanations of appliance and furnace error codes and blink codes, built from manufacturer service manuals — with safe DIY checks, when to call a pro, and the parts that usually fix it.
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Bosch Dishwasher E15: Water in the Base, Leak Protection Activated (Meaning, Causes, Fixes)
E15 on a Bosch dishwasher means the safety switch in the base has detected water and the leak protection system has switched on. Turn off th…
E24Bosch Dishwasher E24: Not Draining, Drain Hose or Filter Blocked (Meaning, Causes, Fixes)
E24 on a Bosch dishwasher means water isn't draining out properly. Bosch's owner manual ties it to a blocked or kinked drain (waste water) h…
E25Bosch Dishwasher E25: Drain Pump Blocked or Pump Cover Loose (Meaning, Causes, Fixes)
E25 on a Bosch dishwasher means the drain pump is blocked or the drain pump cover is loose or missing, so water can't be pumped out. Bosch's…
24Carrier Furnace Code 24: Secondary Voltage (24V) Fuse Is Open (Meaning, Causes, Fixes)
Status code 24 on a Carrier furnace (2 short flashes, then 4 long flashes) means the 3-amp fuse protecting the 24-volt control circuit has b…
33Carrier Furnace Code 33: Limit Circuit Fault, Limit or Flame Rollout Switch Open (Meaning, Causes, Fixes)
Status code 33 on a Carrier furnace (3 short flashes, then 3 long flashes) means the high-temperature limit switch or the flame rollout swit…
CLCarrier Furnace Code CL: Cooling Mode, Not an Error (Meaning and What to Check)
CL on a Carrier furnace's 3-digit display means Cooling Mode: the thermostat is calling for cooling or heat pump operation and the furnace b…
H1 / HIFrigidaire Error H1 (HI): Refrigerator or Freezer Too Warm (Meaning, Causes, Fixes)
If your Frigidaire refrigerator is flashing H1, it's really showing HI, the high-temperature alarm. The fridge or freezer has warmed past it…
E4Frigidaire Washer E4: Load Out of Balance During Spin (Meaning, Causes, Fixes)
E4 (or just 4) on a Frigidaire top-load washer means the load is out of balance during the spin. The washer tries to fix the imbalance on it…
FTDGE Dishwasher FTD (F56): Failure to Drain (Meaning, Causes, Fixes)
FTD on a GE dishwasher (shown as F56 on some models) means failure to drain: the dishwasher could not pump the water out. Most of the time i…
H2OGE Dishwasher Error Code H2O (H20): Not Getting Enough Water (Meaning, Causes, Fixes)
H2O (often read as H20) on a GE dishwasher means a low-water condition: the dishwasher isn't getting enough water, or any water, during the …
E11GE Dryer E11: Drum Motor Not Turning or Blocked Airflow, Depending on Model (Meaning, Causes, Fixes)
E11 on a GE dryer doesn't mean the same thing on every model. On GE dryers with Mist/steam (the GFDN and GFDS families), GE's technical serv…
3 flashesGoodman Furnace 3 Flashes: Pressure Switch Stuck Open (Meaning, Causes, Fixes)
Three short flashes then a pause on a Goodman furnace control board LED means the inducer (draft) blower is running but the pressure switch …
4 flashesGoodman Furnace 4 Flashes: Limit Circuit Open, Furnace Overheating (Meaning, Causes, Fixes)
Four flashes then a pause on a Goodman furnace control board LED means the primary (high) limit or auxiliary limit circuit is open, usually …
6 flashesGoodman Furnace 6 Flashes: Flame Rollout Switch Open (Meaning, Causes, Fixes)
Six flashes then a pause on a Goodman furnace control board LED means the flame rollout limit circuit is open: a safety switch by the burner…
C2Lennox Furnace C2: Second-Stage Cooling, Not an Error (Meaning and What to Check)
C2 on a Lennox furnace or air handler display means the system is running second-stage (high) cooling. It's a status readout, not a fault. L…
E201Lennox Furnace Error 201 (E201): Lost Communication With the Blower Motor (Meaning, Causes, Fixes)
Error 201 on a Lennox furnace or air handler means the control board lost communication with the variable-speed indoor blower motor. Lennox …
D80LG Dryer Error Code D80: Vent About 80% Blocked (Meaning, Causes, Fixes)
d80 on an LG dryer is a Flow Sense warning: the dryer has detected that the exhaust vent is roughly 80% restricted. It's almost always lint …
D90LG Dryer Error Code D90: Vent About 90% Blocked (Meaning, Causes, Fixes)
d90 on an LG dryer is a Flow Sense warning that the exhaust vent is roughly 90% restricted. It's a step past d80 and close to the most sever…
FFLG Refrigerator Error Code FF (Er FF, E FF): Freezer Fan Motor Error (Meaning, Causes, Fixes)
FF on an LG refrigerator (shown as Er FF, E FF, or just F on some models) means the freezer fan motor isn't running normally. LG says the us…
LELG Washer Error Code LE (LE1): Motor Locked, Tub Won't Spin (Meaning, Causes, Fixes)
LE on an LG washer is a motor error: the tub isn't spinning properly because the motor can't turn. LG says the usual causes are an overloade…
OELG Washer Error Code OE: Washer Won't Drain (Meaning, Causes, Fixes)
OE on an LG washer is a drain error (LG calls it a Water Outlet Error): the washer can't pump the water out. Most of the time it's a kinked …
UELG Washer Error Code UE: Unbalanced Load (Meaning, Causes, Fixes)
UE on an LG washer means the load is unbalanced and the washer can't reach full spin speed. A lowercase uE means it's still trying to rebala…
F9 E1Maytag Washer Error Code F9 E1: Long Drain Time (Meaning, Causes, Fixes)
F9 E1 on a Maytag washer means a long drain: the washer is taking too long to pump the water out, typically more than eight minutes. Maytag …
0Rheem Furnace Code 0: Standby, No Call for Heat (Meaning and What to Check)
A steady 0 (zero) on a Rheem or Ruud furnace's 7-segment display means standby: the furnace has power, has no active fault, and isn't gettin…
LCSamsung Dishwasher Error Code LC (LE): Leak Sensor Detected Moisture (Meaning, Causes, Fixes)
LC (or LE on some models) on a Samsung dishwasher is a leakage error: the leak sensor in the base has detected moisture where it doesn't bel…
3C / 3ESamsung Dryer Error Code 3C (3E): Motor Error, Drum Won't Turn (Meaning, Causes, Fixes)
3C on a Samsung dryer is a motor error: the control can't get the drive motor turning the drum the way it expects. Samsung's own fixes are s…
HC / hESamsung Dryer Error Code HC (hE): Dryer Is Overheating (Meaning, Causes, Fixes)
HC on a Samsung dryer is a heating error: the dryer has sensed it's getting too hot. Samsung says the most common cause is a clogged lint sc…
22ESamsung Refrigerator Error Code 22E (22C): Fridge Fan Error (Meaning, Causes, Fixes)
22E or 22C on a Samsung refrigerator is a fridge fan error: the control board isn't getting feedback that the fan in the fridge section is t…
41Samsung Refrigerator Error Code 41: Family Hub Software or Communication Error (Meaning, Causes, Fixes)
Code 41 on a Samsung refrigerator points to the Family Hub screen, not the cooling system. Samsung lists 41 (or 42) with flashing blue inter…
4CSamsung Washer Error Code 4C: Water Supply / Not Filling (Meaning, Causes, Fixes)
A 4C code on a Samsung washer means the washer has detected a water supply problem: water is not entering the washer correctly. Depending on…
SCSamsung Washer Error Code SC (5C): Not Draining (Meaning, Causes, Fixes)
SC on a Samsung washer is the 5C code read on a seven-segment display: the washer can't drain water fast enough, or at all. Samsung groups n…
U6Samsung Washer Error Code U6 (Ub, UE): Unbalanced Load (Meaning, Causes, Fixes)
U6 on a Samsung washer is an unbalanced load error: the laundry has bunched up on one side of the drum, so the washer stopped short of a saf…
3 flashesTrane Furnace Blinking 3 Times: Draft Pressure Switch Error (Meaning, Causes, Fixes)
A red LED blinking 3 times then pausing on a Trane (or American Standard) furnace control board is a draft pressure error. The board didn't …
4 flashesTrane Furnace Blinking 4 Times: Open Temperature Limit Circuit (Meaning, Causes, Fixes)
A red LED blinking 4 times then pausing on a Trane (or American Standard) furnace control board means the temperature limit circuit is open.…
F8 E4Whirlpool Dishwasher F8 E4: Water in the Drip Tray, Overfill Float Switch Open (Meaning, Causes, Fixes)
F8 E4 (F8E4, or the Clean light flashing 8 times, pausing, then 4 times) on a Whirlpool dishwasher means water was detected in the drip tray…
F01 / F-01 / F1 E1Whirlpool Dryer F01 (F-01 / F1 E1): Main Control Failure (Meaning, Causes, Fixes)
F01 on a Whirlpool dryer means the dryer's main electronic control has detected a fault in itself. Whirlpool's first fix is a 5-minute power…
F5 E3Whirlpool Washer F5 E3: Door Lock Error, Door Won't Lock or Unlock (Meaning, Causes, Fixes)
F5 E3 on a Whirlpool front-load washer is a door lock error. Whirlpool's owner help says the door isn't locking properly, and its service te…
F9 E1Whirlpool Washer Error Code F9 E1: Long Drain Time (Meaning, Causes, Fixes)
F9 E1 on a Whirlpool front-load washer means a long drain: the washer took too long to pump out the water, typically more than 8 minutes, so…
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