Is your Samsung dishwasher showing flashing lights on the Normal, Heavy, Smart, or Auto settings? If so, you’re not alone—and it can be frustrating when you’re unsure what those blinking lights mean.
These flashing indicators are your dishwasher’s way of telling you something isn’t quite right. It might be a simple issue like too much water inside, a door that isn’t fully closed, or a clogged drain. But ignoring these signals can lead to bigger problems or leave your dishes dirty.
You’ll discover exactly why those lights are flashing and how you can fix the problem quickly and easily. Keep reading, and take control of your dishwasher before it stops working altogether.
Common Causes Of Flashing Lights
Flashing lights on a Samsung dishwasher signal an issue needing attention. These signals guide you to the source of the problem. Understanding common causes saves time and prevents damage. Each flashing pattern points to a different fault. Identifying these faults helps you fix your dishwasher quickly.
Door Latch Problems
The door latch must close tightly. A loose or broken latch causes lights to flash. The dishwasher stops working if the door is not secure. Check the latch for damage or dirt. Clean or replace it to fix the issue.
Drainage Blockages
Blocked drains prevent water from leaving the dishwasher. This causes the heavy or smart light to blink. Food scraps or debris often cause blockages. Clean the filter and drain area regularly. Clear any clogs to restore proper drainage.
Water Supply Issues
Insufficient or no water flow triggers flashing lights. A kinked hose or closed valve may block water. Water pressure and temperature affect the dishwasher’s operation. Check the water supply line and connections. Ensure water flows freely to the appliance.
Control Panel Malfunctions
Faulty control boards cause erratic flashing lights. Moisture or electrical faults can damage the panel. Resetting the dishwasher may help temporarily. If the problem continues, professional repair is needed. Avoid using the dishwasher until fixed.
Power Interruptions
Power surges or outages can disrupt dishwasher cycles. Flashing lights may indicate a reset is needed. Unplug the dishwasher for a few minutes. Plug it back in and restart the cycle. Stable power supply prevents these interruptions.
Interpreting Samsung Dishwasher Light Codes
Samsung dishwashers use light codes to communicate the machine’s status. These flashing lights help users identify cycle progress or troubleshoot issues. Understanding these signals saves time and avoids unnecessary repairs. Each light pattern means something specific about the dishwasher’s operation. Pay close attention to the normal, heavy, and smart auto cycle indicators. This knowledge helps keep your dishwasher running smoothly.
Normal Light Patterns
The normal cycle light usually glows steadily during a wash. A blinking normal light can indicate the dishwasher is paused or waiting. Rapid flashing may signal a problem with the door latch or water supply. If the normal light flashes along with other lights, it could mean a system error. Observe the timing and combination of flashes to understand the message.
Heavy Cycle Indicators
The heavy cycle light shows when the dishwasher runs a strong cleaning mode. Flashing heavy lights often point to issues like excess water or drainage problems. This signal warns that the dishwasher may be overloaded or the filter clogged. Sometimes the heavy light blinks to indicate a sensor malfunction. Checking these points can resolve most heavy cycle alerts.
Smart Auto Signals
The smart auto light adjusts based on soil levels detected in the dishwasher. Flashing smart auto lights typically mean the water temperature or pressure is off. This can happen if the water supply is too low or too hot. The smart auto signal also blinks if the machine detects too much water inside. Correcting water settings usually clears the flashing smart auto light.
Quick Troubleshooting Steps
Quick troubleshooting helps fix Samsung dishwasher flashing lights fast. These blinking signals often show an issue. Simple checks can save time and avoid repair costs. Follow these easy steps to find the cause and fix it. Each step targets a common problem that triggers flashing lights.
Resetting The Dishwasher
Start by resetting the dishwasher. Unplug the appliance from the power source. Wait for about five minutes. Plug it back in and press the start button. This resets the system and clears minor errors. Sometimes, this simple step stops the lights from flashing.
Securing The Door Latch
Check the door latch next. Make sure the door closes fully and locks tight. A loose or broken latch stops the dishwasher from running properly. Press the door firmly until you hear a click. The flashing lights often stop if the door latch is secure.
Cleaning Filters And Drains
Dirty filters and blocked drains cause many issues. Remove the bottom rack to access the filter. Take out the filter and clean it with warm water. Check the drain area for debris or food particles. Clear any blockages to help water flow smoothly. Clean filters and drains prevent blinking lights and errors.
Checking Water Supply And Hoses
Inspect the water supply next. Ensure the water valve is fully open. Look for any kinks or bends in the hose. A blocked or twisted hose reduces water flow. Confirm the water pressure is steady and strong. Poor water supply can make the dishwasher lights flash.
Inspecting Control Panel Buttons
Look closely at the control panel buttons. Dirt or moisture can cause buttons to stick or malfunction. Wipe the panel gently with a dry cloth. Press each button to check if it works correctly. Faulty buttons often trigger flashing lights and errors. Fixing button issues helps restore normal function.
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Advanced Fixes And Tips
Advanced troubleshooting helps fix persistent Samsung dishwasher light issues. These tips go beyond basic resets. They focus on key hardware and system checks. Following these steps improves dishwasher performance and stops flashing lights.
Avoiding Floodsafe Hoses
Floodsafe hoses often cause water pressure problems. Samsung dishwashers do not support these hoses. Replace any floodsafe hose with a standard dishwasher hose. This change prevents false error signals and water supply interruptions.
Verifying Water Pressure And Temperature
Incorrect water pressure or temperature triggers blinking lights. Use a pressure gauge to check water pressure. It should match the dishwasher’s requirements. Check the hot water temperature too. It must reach at least 120°F for proper cleaning.
Dealing With Thermistor Issues
The thermistor monitors water temperature inside the dishwasher. A faulty thermistor causes error lights and cycle failures. Test the thermistor with a multimeter for proper resistance. Replace it if readings are outside the normal range. This fix helps restore normal dishwasher operation.
When To Contact A Professional
Knowing when to contact a professional for your Samsung dishwasher is important. Flashing lights can mean different issues. Some problems are easy to fix. Others need expert help. Calling a technician can save time and prevent more damage. Here are signs that show it is time to get professional service.
Persistent Light Flashing
If the normal, heavy, or smart auto lights keep flashing after resets, it indicates a deeper problem. Simple steps like turning the dishwasher off and on might not stop the lights. Persistent flashing signals the dishwasher needs professional diagnosis. Ignoring this can lead to more serious faults.
Internal Component Concerns
Flashing lights may point to issues inside the dishwasher. Problems with sensors, water valves, or the control board require special tools to fix. A professional can test these parts safely. Trying to repair internal components without training can cause harm or void warranties.
Warranty And Service Options
Check your dishwasher’s warranty before attempting repairs. Many Samsung dishwashers come with service coverage. Using authorized service centers keeps your warranty intact. Professionals provide certified repairs that meet Samsung’s standards. This protects your appliance and your investment.
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Frequently Asked Questions
Why Is My Samsung Dishwasher Smart Auto Heavy Lights Flashing?
Your Samsung dishwasher’s Smart Auto and Heavy lights flash due to excess water inside. Check for water overflow or drainage issues. Ensure the door is securely closed. Clean filters and drain hose. Reset the dishwasher by unplugging it for a few minutes to clear the error.
Why Is The Auto Button Flashing On My Samsung Dishwasher?
The flashing auto button on your Samsung dishwasher indicates incorrect water pressure or temperature. Check water supply and temperature settings. Avoid using Floodsafe hoses, as they are incompatible. Ensure the door is fully closed, and the drain and filter are clean to resolve the issue.
Why Do My Dishwasher Lights Keep Flashing?
Dishwasher lights flash due to door latch issues, clogged drains, low water supply, control panel faults, or power errors. Check the door, clean filters, ensure water flow, and reset the appliance to fix blinking lights.
What Does Smart Auto Mean On A Samsung Dishwasher?
Smart Auto on a Samsung dishwasher means the machine adjusts cycle time and water usage based on soil level detected. It optimizes cleaning efficiency automatically.
Why Are Samsung Dishwasher Lights Flashing During Cycles?
Flashing lights usually signal an issue like water overflow, door latch, or drain blockage.
Conclusion
Samsung dishwasher lights flashing on Normal, Heavy, or Smart Auto modes often signal common issues. Check the door latch to ensure it closes firmly. Clean the filter and drain to remove clogs. Verify the water supply is on and hoses are not kinked.
Resetting the dishwasher by unplugging it can also help. Following these steps can solve most flashing light problems quickly. Keep your dishwasher running smoothly with simple maintenance and attention.