Samsung Dishwasher Error Codes

Samsung dishwasher displaying an error code? Newer style Samsung dishwashers have built in diagnostic systems. If your dishwasher finds, sees, or detects a fault or error in the system, it will show an error or fault code. The error code will display where the usual numbers are on the display screen. When an error code is displayed, your dishwasher is telling you a specific fault. You can also search YouTube or get advice from your dishwasher owners manual when your Samsung Dishwasher Is Displaying An Error Code.

Samsung dishwasher error codes

Error Code: F5 (or 5 flashes)
Reason For Error Code: Blocked, clogged or damaged spray arms
Repair and or check: Check the spray arms on the dishwasher and inspect for lime or debris then use a descaler to dissolve the lime buildup.
Follow Up: Run short cycle with the spray arms removed to clean area.

Error Code: 0E
Reason For Error Code: OVER-FLOW ERROR Overflow error
Repair and or check: Unplug the dishwasher to disconnect electrical power. If water continues to fill the tub, replace the water inlet. If filling stops when you disconnect power than replace the main power board assembly.
Parts Needed: Water inlet valve or Main power board assembly

Error Code: 4E
Reason For Error Code: WATER SUPPLY ERROR No water detected in the tub for 5 minutes after start of dishwasher
Repair and or check: Make sure that the water supply valve for the dishwasher is open. Unplug the dishwasher and shut off the water supply. Disconnect the fill line and check the water inlet valve. If the inlet screen is blocked, replace the water valve. Check the wiring connections on the water inlet valve and secure loose connections. If the water valve won’t open when activated then replace it.
Parts Needed: Water inlet valve

Error Code: 4E1
Reason For Error Code: Water entering the dishwasher is more than 175 degrees
Repair and or check: Check the temperature of the hot water at your faucet. If the temperature is over 120F degrees then lower the setting on your water heater. If the water temperature is below 175 degrees then the thermistor (temperature sensor) is defective. Replace the thermistor. If the problem keeps happening then replace the main power board assembly.
Parts Needed: Thermistor or Main power board assembly

Error Code: 5E
Reason For Error Code: WATER DRAIN ERROR Not draining or not draining fast enough
Repair and or check: Clear any blockage from the sink drain. Unplug the dishwasher and clear blockage from the dishwasher drain hose and drain pump. If the drain hose or the drain pump is damaged then replace it.
Parts Needed: Drain pump or Drain hose

Error Code: 6E
Reason For Error Code: WATER DRAIN ERROR Not draining or not draining fast enough
Repair and or check: Clear any blockage from the sink drain. Unplug the dishwasher and clear blockage from the dishwasher drain hose and drain pump. If the drain hose or the drain pump is damaged then replace it.
Parts Needed: Drain pump or Drain hose

Error Code: 9E
Reason For Error Code: Low water level error
Repair and or check: Empty any deep dishes that flipped and have filled with water. Restart cycle. Adjust the feet on the dishwasher if it is not level. Reconnect any loose wires on the wire harness for the water level sensor. Replace the wire harness if damaged. If the wire harness connections are okay than replace the water level sensor.
Parts Needed: Water level sensor or Wire harness

9E Error code on Samsung Dishwasher
How to fix the problem by cleaning the fresh water fill reservoir

Error Code: bE2
Reason For Error Code: Stuck button on the control panel
Repair and or check: Press all the buttons on the control panel to attempt to free up the stuck key. If keys remains stuck than replace the control panel.
Parts Needed: Control panel

When the error code tells you which part on your Samsung dishwasher has
failed, here are Replacement Parts for your Samsung dishwasher.

Error Code: HE
Reason For Error Code: WATER HEATER ERROR Heater failure
Repair and or check: Unplug the dishwasher and check the wiring on the heater. Replace the heater if it’s damaged. If the heater is in working order than replace the main power board assembly.
Parts Needed: Heater or Main power board assembly

Error Code: HE1
Reason For Error Code: The thermistor (temperature sensor) detects 176 degree water or above in the tub
Repair and or check: Unplug the dishwasher to disconnect electrical power. Open the dishwasher door and check the temperature of the water in the tub. If the water is close to 175 degrees, the heater relay on the main power board assembly is stuck in the closed position – replace the main PBA. If the water is less than 175 then the thermistor (temperature sensor) is probably defective. Replace the thermistor. If the problem persists than replace the main PBA.
Parts Needed: Thermistor or Main power board assembly

Error Code: Flashing “Heavy”
Reason For Error Code: Water leak
Repair and or check: Drain hose
Parts Needed: Drain hose or Tighten drain hose

Samsung Dishwasher Flashing “Heavy” Error Code Repair Samsung

Error Code: Lights Highlighted – Heavy, Delicate and Quick
Reason For Error Code: Temperature Sensor error
If lights are Highlighted above the Heavy, Delicate and Quick button, but not over the Normal button, this means that your dishwasher has a Temperature Sensor problem.
Repair and or check: Run an empty dishwasher cycle with detergent. If the lights still display the same way, replacement part is needed.
Parts Needed: Temperature Sensor

Samsung dishwasher errors using cycle lights

Error Code: Lights Highlighted above Delicate and Quick
Reason For Error Code: Dishwasher thinks that the door is open.
Repair and or check: Close the door properly and see if the lights go away. If not the door switch is faulty.
Parts Needed: Door Switch

Error Code: LE
Reason For Error Code: Water leak detected
Repair and or check: Check for water leak under the dishwasher. Check the hoses, drain pump and tub. Replace any leaking components.
Parts Needed: Hoses or Drain pump

Error Code: oE
Reason For Error Code: Overflow error
Repair and or check: Unplug the dishwasher to disconnect electrical power. If water continues to fill the tub, replace the water inlet. If filling stops when you disconnect power then replace the main power board assembly.
Parts Needed: Water inlet valve or Main power board assembly

Error Code: PE
Reason For Error Code: Half-load error
Repair and or check: Unplug the dishwasher. Reconnect any loose wires on the distributor plate motor and microswitch. Replace the wire harness if it is damaged. If the wires are not damaged, replace the distributor motor assembly. This includes the distributor plate motor and the microswitch.
Parts Needed: Distributor motor assembly

Error Code: SE
Reason For Error Code: WATER DRAIN ERROR Not draining or not draining fast enough
Repair and or check: Clear any blockage from the sink drain. Unplug the dishwasher and clear blockage from the dishwasher drain hose and drain pump. If the drain hose or the drain pump is damaged then replace it.
Parts Needed: Drain pump or Drain hose

Error Code: tE1
Reason For Error Code: Thermistor (temperature sensor) error
Repair and or check: Unplug the dishwasher and reconnect any wires on the on the thermistor wire harness. Replace the wire harness if damaged. If the wire harness is in working order, replace the thermistor. If the problem persists then replace the main power board assembly.
Parts Needed: Thermistor or Main power board assembly or Wire harness

Samsung dishwasher – error code display at top of door

Do you know of any other Samsung dishwasher error codes we have not mentioned or are you having trouble with your dishwasher? Please leave a question or comment below and we can assist.

Written by Keith Schneerer

Certified Appliance Tech · Founder, RemoveAndReplace.com

Keith has spent 30+ years repairing machines, starting as a military mechanic and later maintaining food processing equipment before moving into appliance repair. He founded RemoveAndReplace.com to share field-tested repair advice.

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