Dishwasher error codes

Compare dishwasher codes across brands and start with checks that do not require opening powered components.

GE Appliances Dishwasher

C1

Check for a slow drain path, blocked filter area, or kinked drain hose before another cycle.

Drain problem

GE Appliances Dishwasher

C2

Cancel the cycle and inspect the drain hose, sink connection, and disposal inlet.

Drain problem

GE Appliances Dishwasher

C3

Check simple drain restrictions first and stop if water stays in the tub.

Drain problem

GE Appliances Dishwasher

C4

Let the dishwasher drain and stop if water enters or overfills again.

Overfill or water level fault

GE Appliances Dishwasher

C5

Confirm the water supply is open and the inlet path is not restricted.

Water fill problem

GE Appliances Dishwasher

C6

Check household hot water temperature and stop if heating issues repeat.

Heating or temperature fault

GE Appliances Dishwasher

C7

Power reset once and request service if C7 returns on a normal cycle.

Heating or temperature fault

GE Appliances Dishwasher

C8

Clear items blocking the detergent cup and run one short test cycle.

Sensor reading fault

GE Appliances Dishwasher

Cup Open

Move dishes away from the dispenser and confirm the detergent cup closes freely.

Door or lid lock

GE Appliances Dishwasher

FTD

Check the drain hose, disposer connection, and filter area before retrying.

Drain problem

GE Appliances Dishwasher

Leak Detected

Stop the cycle, turn off water if leaking is active, and inspect visible door or hose areas.

Leak or overflow detection

GE Appliances Dishwasher

PF

Reset the control once and confirm the breaker or outlet is stable.

Power supply or reset condition

LG Dishwasher

AE

Turn off water if leaking is active, then check around the door, drain hose, and base.

Leak or overflow detection

LG Dishwasher

bE

Do not use hand dish soap; clear suds with model-approved steps and use dishwasher detergent only.

Excess suds

LG Dishwasher

CL

Use the documented Control Lock button hold for your model rather than forcing panel buttons.

Control lock

LG Dishwasher

F31

Stop after one safe reset; fan motor conditions need detailed service inspection.

Motor or drive fault

LG Dishwasher

F35

Avoid repeated heated drying attempts and arrange service if F35 returns.

Heating or temperature fault

LG Dishwasher

F37

Check for items blocking the door path and request service if the feature remains stuck.

Door or lid lock

LG Dishwasher

HE

Run one reset and short test only if water fills and drains normally.

Heating or temperature fault

LG Dishwasher

IE

Verify the water valve is open and the inlet hose is not kinked.

Water fill problem

LG Dishwasher

LE

Check for items blocking spray arms; service is likely if the code returns empty.

Motor or drive fault

LG Dishwasher

nE

Reorganize dishes that may touch moving spray parts and stop if the code returns empty.

WaterWall or spray system fault

LG Dishwasher

OE

Check the drain hose, sink connection, and filter area for restrictions.

Drain problem

LG Dishwasher

PE

Stop after checking for obvious water-level or leak symptoms; PE normally needs service inspection.

Sensor reading fault

LG Dishwasher

tE

Do not keep resetting the dishwasher; temperature sensor faults usually need service.

Sensor reading fault

Samsung Dishwasher

1E

Confirm the model type first; clean only the documented filter area or stop for service if unsure.

Filter or screen condition

Samsung Dishwasher

3C

Remove obstructions from the sump or spray path; service is likely if it returns empty.

Motor or drive fault

Samsung Dishwasher

3E

Verify the hot water supply is not set too high before running another test.

Heating or temperature fault

Samsung Dishwasher

4C

Confirm the supply valve is open and the inlet hose is not kinked.

Water fill problem

Samsung Dishwasher

5C

Check the drain hose, sink connection, garbage disposal plug, and filter area.

Drain problem

Samsung Dishwasher

7E

Check for dishes blocking the reflector or spray path.

WaterWall or spray system fault

Samsung Dishwasher

9E

Run one normal fill test only after checking supply, then stop if 9E returns.

Water fill problem

Samsung Dishwasher

AP

If you are not connecting the dishwasher, turn it off and back on to leave AP mode.

Electronic communication fault

Samsung Dishwasher

bE

Turn the dishwasher off and check that every button releases normally.

Sensor reading fault

Samsung Dishwasher

CE

Power reset once and request service if CE continues.

Electronic communication fault

Samsung Dishwasher

HC

Switch power off briefly, run a controlled empty test, and stop if HC returns.

Heating or temperature fault

Samsung Dishwasher

HE

Do not repeat heated cycles if HE returns; use service for heater or sensor diagnosis.

Heating or temperature fault

Samsung Dishwasher

LC

Turn off water if leaking is active and check around the door, base, and hose connections.

Leak or overflow detection

Samsung Dishwasher

OC

Cancel the cycle and watch for continued filling or draining problems.

Overfill or water level fault

Samsung Dishwasher

PC

Turn the dishwasher off and retry once; repeated PC usually needs service.

WaterWall or spray system fault

Samsung Dishwasher

PE

Run one empty half-load test only if safe, then request service if PE returns.

WaterWall or spray system fault

Samsung Dishwasher

tE

Empty the dishwasher and stop repeated tests if tE returns after a reset.

Sensor reading fault

Frigidaire Dishwasher

CL

Check for racks or dishes blocking the door and close it firmly.

Door or lid lock

Frigidaire Dishwasher

HO

Confirm the hot water supply is normal; service is likely if heating never recovers.

Heating or temperature fault

Frigidaire Dishwasher

i20

Clean the filter area and check the drain hose and sink connection before retrying.

Drain problem

Frigidaire Dishwasher

i40

Check the filter, drain hose, and household drain for restrictions.

Drain problem

Frigidaire Dishwasher

PF

Reset the dishwasher once and stop if the circuit loses power again.

Power supply or reset condition

KitchenAid Dishwasher

F6 E1

Confirm the water supply is open and the inlet hose is not kinked.

Water fill problem

KitchenAid Dishwasher

F7 E2

Stop repeated cycles if the wash motor does not run normally or the code returns empty.

Motor or drive fault

KitchenAid Dishwasher

F8 E4

Turn off water if leaking is active and inspect around the door and base before resetting.

Leak or overflow detection

KitchenAid Dishwasher

F9 E1

Check the drain hose, sink connection, and disposal plug before another cycle.

Drain problem

KitchenAid Dishwasher

H2O

Open the supply valve fully and check for a kinked inlet hose.

Water fill problem

Bosch Dishwasher

E01

Reset power at the breaker once; repeated E01 needs Bosch support or service.

Heating or temperature fault

Bosch Dishwasher

E02

Reset power once and stop if E02 returns, because board faults are service-level.

Electronic communication fault

Bosch Dishwasher

E03

Power reset once; repeated E03 should go to service rather than repeated cycles.

Electronic communication fault

Bosch Dishwasher

E04

Do not keep running heated cycles; contact support if E04 remains.

Heating or temperature fault

Bosch Dishwasher

E05

Check for obvious rack or spray blockage, then stop if E05 returns.

WaterWall or spray system fault

Bosch Dishwasher

E06

Check that the door closes normally and request service if E06 repeats.

Door or lid lock

Bosch Dishwasher

E07

Reset power once; repeated E07 is not a homeowner repair step.

Motor or drive fault

Bosch Dishwasher

E09

Reset once; if it returns, stop repeating heated cycles and arrange service.

Heating or temperature fault

Bosch Dishwasher

E10

Avoid repeated heat-dry tests and contact support if E10 returns.

Heating or temperature fault

Bosch Dishwasher

E12

Use the model-approved descaling path and check water-softener salt guidance if equipped.

Heating or temperature fault

Bosch Dishwasher

E14

Check water supply first; service is likely if supply is normal.

Water fill problem

Bosch Dishwasher

E15

Turn off water if leaking is active and check for visible leaks before resetting.

Leak or overflow detection

Bosch Dishwasher

E16

Check the inlet hose for kinks or damage and confirm the supply is on.

Water fill problem

Bosch Dishwasher

E17

Check inlet hose condition and stop if the filling code returns after supply is normal.

Water fill problem

Bosch Dishwasher

E18

Open the supply valve fully and inspect the inlet hose.

Water fill problem

Bosch Dishwasher

E19

Power reset once; repeated E19 should be handled by service.

Sensor reading fault

Bosch Dishwasher

E20

Do not force repeated cycles if the pump hums or the code returns immediately.

Motor or drive fault

Bosch Dishwasher

E21

Reset power once and contact support if E21 returns.

Motor or drive fault

Bosch Dishwasher

E22

Clean and reseat the dishwasher filter, then run a short rinse cycle.

Filter or screen condition

Bosch Dishwasher

E23

Check simple drain restrictions first; repeated E23 usually needs service.

Drain problem

Bosch Dishwasher

E24

Check the filter, drain hose, sink air gap, and disposal connection.

Drain problem

Bosch Dishwasher

E25

Clean the filter and inspect the pump cover only as the manual allows.

Drain problem

Bosch Dishwasher

E27

Avoid repeated starts and have the outlet or circuit checked if it repeats.

Voltage condition

Electrolux Dishwasher

CL

Check racks and dishes near the door, then close the latch firmly.

Door or lid lock

Electrolux Dishwasher

HO

Confirm hot water supply and stop if the dishwasher never reaches wash temperature.

Heating or temperature fault

Electrolux Dishwasher

i20

Clean the filter area and inspect the drain hose or sink connection before retrying.

Drain problem

Electrolux Dishwasher

i40

Check the dishwasher filter, drain hose, and household drain path.

Drain problem

Electrolux Dishwasher

PF

Reset the dishwasher once and stop if the power fault repeats.

Power supply or reset condition