What Do Samsung Dishwasher Blinking Light Alerts Mean & How Do You Fix Them?
Blinking lights on your Samsung dishwasher usually signal some type of error. What that error means will depend on which lights are blinking on your appliance. This can vary by model, however most Samsung dishwasher models will have a blinking normal, heavy and auto light in addition to others. Look at the light combinations in the table of contents and find the the one that your machine is displaying.
Please note that some of the problems and solutions described below may require some expertise to solve. Depending on your skill level when it comes to appliance repairs, you may be better off contacting Samsung support to request service. Depending on the age of your appliance and the nature of the problem, your repair may be covered under your warranty. You should discuss and confirm this with the Samsung support specialist.
Samsung Dishwasher Normal Light Blinking
A flashing normal light on your Samsung dishwasher can mean different things. It depends on whether the normal light is blinking alone or along with other lights. Keep reading to learn more.
Normal Light Only
Your Samsung dishwasher has a built in leak detector. When the sensor detects moisture, the dishwasher will turn itself on. It will begin to try to drain the water and won’t turn off until it has done so. How you should proceed depends on whether or not you see a leak. Follow the appropriate steps depending on what you are observing.
Normal and Smart Auto
When both the normal and smart auto lights are blinking on your Samsung dishwasher, the water is too hot. Check to ensure that the hot water supply is not set at a temperature above 176 degrees Fahrenheit. Next, empty the dishwasher and let is sit open for 15-30 minutes. When the time has passed, add detergent and run a normal cycle. If the lights continue to blink, you should shut off the circuit breaker for the dishwasher and contact Samsung support.
Normal, Smart Auto and Quick+
Normal, quick and smart auto lights flashing on your Samsung dishwasher signals that the water is too hot. Check to ensure that the hot water supply is not set at a temperature above 176 degrees Fahrenheit.
Normal and Quick
When the normal and quick lights are blinking, your Samsung dishwasher is too hot. You should empty the dishwasher and let is sit open for 15-30 minutes. When the time has passed, add detergent and run a normal cycle. If the lights continue to blink, you should shut off the circuit breaker for the dishwasher and contact Samsung support.
Normal and Heavy
When the normal and heavy lights are flashing, the thermistor on your Samsung dishwasher is not working correctly. This is an important component that adjusts water temperature depending on the settings or cycles you choose. Contact Samsung support.
Normal, Heavy and either Quick or Smart Auto
Flashing normal, heavy and either smart auto or quick lights signal that there is not enough water in the machine. You should empty the dishwasher completely, add detergent and try to run a normal cycle. If it runs completely, great! Load the dishes and running a cycle. If the unit can’t start the normal cycle, turn the power off, switch off the power at the circuit breaker and contact Samsung support.
Normal, Heavy and Express 60
When the normal, heavy and express 60 lights are flashing, the thermistor on your Samsung dishwasher has short-circuited. It will need to be repaired. Contact Samsung support.
Normal and Delicate or Quick+
Your Samsung dishwasher likely has a stuck button somewhere if both the Normal and Delicate or Quick+ lights are blinking. To fix it, start by turning off the dishwasher. Then touch every button on the panel. Turn the unit on again. If the lights turn on again or any buttons appear to be stuck and not working, contact Samsung support.
Normal, Delicate and either Quick or Smart Auto
When the normal, delicate and either quick or smart auto lights are flashing on your Samsung dishwasher, it means the water is too hot. Check to ensure that the hot water supply is not set at a temperature above 176 degrees Fahrenheit.
Samsung Dishwasher Heavy Light Blinking
Heavy Only (Models With Express 60)
When there is a problem with your dishwasher drain, too much water will buildup in the unit. When this happens, the Heavy light will blink. To fix this, you will want to investigate your drain closely. See my related post on how to fix a drain issue.
Heavy Only (Models Without Express 60)
Your Samsung dishwasher has a built in leak detector. When the sensor detects moisture, the dishwasher will turn itself on and the Heavy light will blink. The appliance will try to drain the water and won’t turn off until it has done so. How you should proceed depends on whether or not you see a leak. Follow the appropriate steps depending on what you are observing.
Heavy, Delicate and Quick or Smart Auto
When the heavy, delicate and smart auto lights are flashing on your Samsung dishwasher, the temperature sensor may be failing. You should empty the dishwasher completely, add detergent and try to run a normal cycle. If it runs completely, great! Load the dishes and running a cycle. If the unit can’t start the normal cycle, turn the power off, switch off the power at the circuit breaker and contact Samsung support.
Heavy and Delicate
When the heavy and delicate lights are flashing on your Samsung dishwasher, the heater may be failing. You should empty the dishwasher completely, add detergent and try to run a normal cycle. If it runs completely, great! Load the dishes and running a cycle. If the unit can’t start the normal cycle, turn the power off, switch off the power at the circuit breaker and contact Samsung support.
Heavy and Express 60
The heavy and expresso 60 lights blinking together signal that the dishwasher is unable to heat. Contact Samsung support for service.
Heavy and Quick
Too much water will buildup in the dishwasher if there is a problem with the drain. When this happens, both the Heavy and Quick lights will be blinking. To fix this, you will want to investigate your drain closely. See my related post on how to fix a drain issue.
Heavy and Quick+
The heavy and quick+ lights flashing mean that your dishwasher is not able to heat correctly. This may or may not be a problem with the thermistor. You should contact Samsung support.
Heavy, Quick+ and Smart Auto
Flashing heavy, quick+ and smart auto lights signal that the temperature sensor inside the dishwasher has failed. You should empty the dishwasher completely, add detergent and try to run a normal cycle. If it runs completely, great! Load the dishes and running a cycle. If the unit can’t start the normal cycle, turn the power off, switch off the power at the circuit breaker and contact Samsung support.
Heavy and Smart Auto
Too much water will buildup in the dishwasher if there is a problem with the drain. When this happens, both the Heavy and Smart Auto lights will start blinking. To fix this, you will want to investigate your drain closely. See my related post on how to fix a drain issue.
Auto Light Blinking on Samsung Dishwasher
The meaning of the auto light blinking on your Samsung dishwasher will vary depending on whether only the auto light is blinking or if other lights are flashing along with it. Keep reading to learn more.
Auto Light Only
The auto light flashing indicates that there is a problem with the water supply. This usually has to do with either the water pressure or temperature. Your dishwasher needs to be able to consistently get a water supply of 120 to 149 degrees Farenheit. The water pressure must also be between 20 and 120 pounds per square inch (psi).
There are a few possible reasons why you might be experiencing an error with your water pressure or temperature. You may have a bad water valve that needs replacing, a flow meter error, or a clogged inlet screen. If you are unable to verify the source of the issue on your own, you should contact Samsung support.
Auto and Normal Lights
When the auto and normal lights are flashing at the same time, your Samsung dishwasher is too hot. You should empty the dishwasher and let is sit open for 15-30 minutes. When the time has passed, add detergent and run a normal cycle. If the lights continue to blink, you should shut off the circuit breaker for the dishwasher and contact Samsung support.
Auto and Express 60 Lights
Your Samsung dishwasher likely has a stuck button somewhere if both the Auto and Express 60 lights are flashing. To fix it, start by turning off the dishwasher. Then touch every button on the panel. If any buttons appear to be stuck and not working, contact Samsung support.
Auto and Heavy Lights
When there is a problem with your dishwasher drain, too much water will buildup in the machine. When this happens, both the Auto and Heavy lights will start blinking. To fix this, you will want to investigate your drain closely. See my related post on how to fix a drain issue.
Auto, Normal and Express 60 Lights
Your Samsung dishwasher detects a stuck button somewhere if the Auto, Normal and Express 60 lights are all on. Turn off the dishwasher and touch every button on the panel. Turn the unit back on. If the lights come back on and any buttons appear to be stuck and not working, contact Samsung support.
Other Samsung Dishwasher Blinking Lights
Delicate or Quick+
A blinking Delicate or Quick+ light signals that your dishwasher cannot drain properly. See my related post on how to fix a drain issue.
Delicate and Quick
When the delicate and quick lights are flashing, the dishwasher detects that the door is not securely closed. Try closing the door again. If the lights continue to blink, contact Samsung support.
Quick or Smart Auto or Express 60
A blinking quick, express 60 or smart auto light means you have a problem with the water supply, usually either the water pressure or temperature. Your Samsung dishwasher needs to be able to consistently get a water supply of 120 to 149 degrees Farenheit. The water pressure must also be between 20 and 120 pounds per square inch (psi).
There are a few possible reasons why you might be experiencing an error with your water pressure or temperature. You may have a bad water valve that needs replacing, a flow meter error, or a clogged inlet screen. If you are unable to verify the source of the issue on your own, you should contact Samsung support.
Source: https://www.samsung.com/us/support/troubleshooting/TSG01001922/
